poj2965 java_POJ 刷题顺序

POJ从简到难(按照AC数目排序)的列表以下，做为小弱的刷题顺序。大牛们能够看后面倒排的hard表，还有四道题没人拿到first blood.

表格属性依次为：ID，Title, Ratio, AC, Submitpython

1000 A+B Problem 0.55 188072 338977

1004 Financial Management 0.41 58282 140301

1003 Hangover 0.48 50457 103742

1002 487-3279 0.17 43922 247299

1005 I Think I Need a Houseboat 0.43 38343 88354

1006 Biorhythms 0.31 36150 115300

1007 DNA Sorting 0.4 34009 84442

1001 Exponentiation 0.24 33788 138161

1088 滑雪 0.37 29038 78117

1011 Sticks 0.23 28364 122434

1163 The Triangle 0.6 23032 38362

1273 Drainage Ditches 0.38 22044 57304

1050 To the Max 0.53 21905 41297

1008 Maya Calendar 0.3 20688 67112

3468 A Simple Problem with Integers 0.3 20163 65502

2388 Who's in the Middle 0.58 18859 32355

1159 Palindrome 0.34 18551 53718

1012 Joseph 0.37 18313 48530

1061 青蛙的约会 0.18 16934 92122

1664 放苹果 0.63 16916 26612

3264 Balanced Lineup 0.46 16810 35809

1258 Agri-Net 0.4 16790 41173

2027 No Brainer 0.65 16726 25560

1207 The 3n + 1 problem 0.31 16583 52190

1458 Common Subsequence 0.4 15819 39257

2299 Ultra-QuickSort 0.36 15669 43029

1014 Dividing 0.25 15606 60505

1125 Stockbroker Grapevine 0.55 15274 27560

3278 Catch That Cow 0.31 15133 48304

2533 Longest Ordered Subsequence 0.43 15103 34397

1017 Packets 0.33 15002 44410

1046 Color Me Less 0.48 14996 30808

1218 THE DRUNK JAILER 0.62 14963 23785

2352 Stars 0.43 14751 33816

2262 Goldbach's Conjecture 0.38 14726 38316

2503 Babelfish 0.42 14353 33447

2406 Power Strings 0.41 13864 33381

1753 Flip Game 0.43 13723 31565

1182 食物链 0.29 13509 46390

2000 Gold Coins 0.62 13367 21324

1028 Web Navigation 0.44 13245 29656

2528 Mayor's posters 0.29 12866 44108

1013 Counterfeit Dollar 0.31 12783 40130

1298 The Hardest Problem Ever 0.54 12541 22823

2104 K-th Number 0.32 12469 38364

1979 Red and Black 0.53 12434 23044

2524 Ubiquitous Religions 0.49 12361 25024

1328 Radar Installation 0.22 12287 54580

1459 Power Network 0.52 12284 23459

2017 Speed Limit 0.7 12240 17420

1068 Parencodings 0.6 12145 20131

1316 Self Numbers 0.56 12088 21497

2823 Sliding Window 0.29 11934 40394

1503 Integer Inquiry 0.38 11823 30352

1936 All in All 0.41 11783 28512

1067 取石子游戏 0.33 11731 34989

3259 Wormholes 0.36 11604 31956

1321 棋盘问题 0.49 11535 23260

1611 The Suspects 0.48 11323 23303

1552 Doubles 0.57 11238 19409

1077 Eight 0.43 11005 25074

2777 Count Color 0.3 10987 36406

1517 u Calculate e 0.58 10943 18581

3624 Charm Bracelet 0.45 10895 24147

1062 昂贵的聘礼 0.28 10842 37563

2105 IP Address 0.57 10814 18733

2488 A Knight's Journey 0.34 10787 31626

2739 Sum of Consecutive Prime Numbers 0.54 10755 19615

1658 Eva's Problem 0.61 10678 17451

2485 Highways 0.46 10593 22996

2479 Maximum sum 0.3 10571 34144

2386 Lake Counting 0.5 10529 20891

2387 Til the Cows Come Home 0.33 10454 30926

1915 Knight Moves 0.46 10357 22177

1330 Nearest Common Ancestors 0.52 10238 19334

1113 Wall 0.33 10170 30239

1703 Find them, Catch them 0.3 9986 32321

1276 Cash Machine 0.35 9980 27960

3461 Oulipo 0.4 9976 24833

1742 Coins 0.33 9967 29407

1363 Rails 0.39 9930 25280

3094 Quicksum 0.69 9871 14137

1019 Number Sequence 0.28 9858 34340

2186 Popular Cows 0.41 9830 23945

1094 Sorting It All Out 0.34 9792 28332

2109 Power of Cryptography 0.5 9749 19316

1080 Human Gene Functions 0.55 9605 17277

2140 Herd Sums 0.59 9503 16050

2492 A Bug's Life 0.32 9423 28882

2159 Ancient Cipher 0.32 9401 28632

3176 Cow Bowling 0.66 9368 14133

2195 Going Home 0.51 9312 18252

2081 Recaman's Sequence 0.42 9197 21542

1338 Ugly Numbers 0.44 9180 20675

1401 Factorial 0.61 9011 14552

1251 Jungle Roads 0.45 8998 19591

2774 Long Long Message 0.41 8896 21629

3253 Fence Repair 0.32 8874 27279

2187 Beauty Contest 0.31 8858 28543

1160 Post Office 0.54 8761 16137

1083 Moving Tables 0.33 8760 26279

1042 Gone Fishing 0.29 8733 29238

2390 Bank Interest 0.59 8680 14521

2253 Frogger 0.32 8658 26611

1274 The Perfect Stall 0.45 8612 18989

2301 Beat the Spread! 0.47 8607 18027

3041 Asteroids 0.54 8577 15729

3030 Nasty Hacks 0.69 8567 12392

1157 LITTLE SHOP OF FLOWERS 0.46 8526 18518

1504 Adding Reversed Numbers 0.54 8510 15484

1579 Function Run Fun 0.51 8510 16497

1519 Digital Roots 0.33 8491 25443

3062 Celebrity jeopardy 0.56 8478 15025

2136 Vertical Histogram 0.48 8469 17504

3469 Dual Core CPU 0.43 8388 19362

1657 Distance on Chessboard 0.34 8385 24485

3349 Snowflake Snow Snowflakes 0.26 8356 31707

1018 Communication System 0.35 8352 23504

1423 Big Number 0.31 8313 25992

1201 Intervals 0.37 8311 22022

2421 Constructing Roads 0.41 8261 19774

3673 Cow Multiplication 0.69 8215 11824

2513 Colored Sticks 0.26 8209 31122

1045 Bode Plot 0.63 8176 12878

3006 Dirichlet's Theorem on Arithmetic Progressions 0.5 8051 16047

1922 Ride to School 0.4 7852 19424

1065 Wooden Sticks 0.41 7820 18635

1953 World Cup Noise 0.49 7808 15835

2656 Unhappy Jinjin 0.73 7751 10606

1308 Is It A Tree? 0.34 7700 22470

1185 炮兵阵地 0.38 7686 19869

2350 Above Average 0.52 7675 14561

2418 Hardwood Species 0.39 7604 19301

2013 Symmetric Order 0.6 7550 12404

1426 Find The Multiple 0.4 7498 18541

1149 PIGS 0.44 7476 16679

1477 Box of Bricks 0.4 7476 18318

1811 Prime Test 0.25 7448 29302

1679 The Unique MST 0.35 7422 21018

1860 Currency Exchange 0.35 7410 20662

1789 Truck History 0.38 7354 19075

2965 The Pilots Brothers' refrigerator 0.38 7324 19119

1141 Brackets Sequence 0.28 7323 25965

1543 Perfect Cubes 0.52 7295 13796

2255 Tree Recovery 0.62 7291 11610

1663 Number Steps 0.53 7260 13451

1256 Anagram 0.4 7257 17823

1118 Lining Up 0.31 7202 22861

1032 Parliament 0.42 7200 17069

3630 Phone List 0.3 7171 23302

2155 Matrix 0.37 7158 19039

1035 Spell checker 0.36 7154 19590

2362 Square 0.34 7094 20391

1195 Mobile phones 0.46 7092 15362

1469 COURSES 0.39 7060 17912

2236 Wireless Network 0.42 7047 16747

1562 Oil Deposits 0.54 7045 12892

2411 Mondriaan's Dream 0.58 7044 12094

2828 Buy Tickets 0.5 6986 13952

2676 Sudoku 0.49 6959 14081

2509 Peter's smokes 0.41 6943 16865

2636 Electrical Outlets 0.75 6893 9155

3070 Fibonacci 0.71 6887 9689

1988 Cube Stacking 0.34 6814 19475

1151 Atlantis 0.38 6810 17912

2240 Arbitrage 0.42 6796 16161

3233 Matrix Power Series 0.42 6782 15856

1844 Sum 0.65 6739 10270

1837 Balance 0.62 6736 10836

2389 Bull Math 0.51 6733 13060

1565 Skew Binary 0.63 6704 10494

1833 排列 0.4 6703 16737

2521 How much did the businessman lose 0.67 6692 9884

3126 Prime Path 0.56 6690 11780

1656 Counting Black 0.64 6670 10325

2141 Message Decowding 0.55 6659 11940

2593 Max Sequence 0.41 6643 15834

1743 Musical Theme 0.34 6633 19355

2243 Knight Moves 0.56 6628 11759

2251 Dungeon Master 0.38 6602 16953

1200 Crazy Search 0.28 6590 23397

2602 Superlong sums 0.29 6572 22310

1511 Invitation Cards 0.32 6525 19986

2665 Trees 0.65 6518 9880

1015 Jury Compromise 0.26 6517 24971

1961 Period 0.47 6395 13580

3159 Candies 0.27 6363 23560

1129 Channel Allocation 0.51 6356 12417

3100 Root of the Problem 0.53 6290 11714

1016 Numbers That Count 0.33 6273 18804

3299 Humidex 0.36 6253 17218

2002 Squares 0.37 6225 16411

2752 Seek the Name, Seek the Fame 0.49 6181 12596

2840 Big Clock 0.63 6168 9739

2551 Ones 0.56 6152 10811

1840 Eqs 0.48 6150 12553

3273 Monthly Expense 0.39 6126 15323

1102 LC-Display 0.39 6124 15366

2578 Keep on Truckin' 0.75 6122 8087

2001 Shortest Prefixes 0.43 6091 14153

3980 取模运算 0.6 6024 9881

2909 Goldbach's Conjecture 0.59 6013 10176

2182 Lost Cows 0.64 6003 9319

3321 Apple Tree 0.3 5980 19628

1631 Bridging signals 0.54 5954 10835

2449 Remmarguts' Date 0.27 5916 21707

2728 Desert King 0.28 5899 20980

1862 Stripies 0.47 5897 12423

2231 Moo Volume 0.29 5887 19664

3268 Silver Cow Party 0.44 5885 13107

1166 The Clocks 0.4 5860 14605

1799 Yeehaa! 0.48 5852 12045

1731 Orders 0.61 5818 9527

3067 Japan 0.27 5814 21522

2192 Zipper 0.35 5794 16295

1326 Mileage Bank 0.41 5715 13707

2039 To and Fro 0.66 5665 8460

2407 Relatives 0.48 5615 11498

1887 Testing the CATCHER 0.36 5614 15249

1177 Picture 0.52 5607 10615

1797 Heavy Transportation 0.26 5597 21110

2719 Faulty Odometer 0.62 5583 8991

1047 Round and Round We Go 0.46 5580 11960

2249 Binomial Showdown 0.3 5561 18253

2371 Questions and answers 0.52 5553 10479

3080 Blue Jeans 0.43 5490 12646

3438 Look and Say 0.6 5481 9082

1056 IMMEDIATE DECODABILITY 0.47 5458 11483

2196 Specialized Four-Digit Numbers 0.72 5429 7439

1942 Paths on a Grid 0.24 5417 22069

1716 Integer Intervals 0.42 5413 12788

1969 Count on Canton 0.58 5412 9247

1861 Network 0.39 5405 13850

2190 ISBN 0.35 5385 15260

3667 Hotel 0.43 5370 12474

2586 Y2K Accounting Bug 0.5 5366 10711

1528 Perfection 0.47 5358 11294

2070 Filling Out the Team 0.56 5358 9555

1064 Cable master 0.21 5341 24901

2309 BST 0.6 5283 8663

2229 Sumsets 0.4 5280 13160

1183 反正切函数的应用 0.36 5267 14589

1573 Robot Motion 0.48 5262 10860

1026 Cipher 0.26 5246 19521

2318 TOYS 0.48 5169 10736

1325 Machine Schedule 0.42 5129 12035

1269 Intersecting Lines 0.45 5110 11307

2328 Guessing Game 0.35 5100 14551

3009 Curling 2.0 0.42 5099 12096

1470 Closest Common Ancestors 0.32 5085 15837

2234 Matches Game 0.57 5082 8803

1674 Sorting by Swapping 0.53 5067 9456

3749 破译密码 0.63 5045 7986

3518 Prime Gap 0.58 5034 8584

1020 Anniversary Cake 0.32 5033 15501

3368 Frequent values 0.36 5023 13663

3077 Rounders 0.64 4980 7689

3650 The Seven Percent Solution 0.66 4973 7423

2575 Jolly Jumpers 0.3 4962 16324

1190 生日蛋糕 0.35 4936 14032

2761 Feed the dogs 0.31 4935 15893

2559 Largest Rectangle in a Histogram 0.32 4918 15266

3481 Double Queue 0.45 4893 10820

2478 Farey Sequence 0.38 4864 12477

3589 Number-guessing Game 0.72 4849 6704

3984 迷宫问题 0.58 4814 8170

3302 Subsequence 0.58 4813 8275

1455 Crazy tea party 0.67 4810 7097

2115 C Looooops 0.26 4807 18340

3261 Milk Patterns 0.44 4781 10632

3325 ICPC Score Totalizer Software 0.69 4778 6829

3750 小孩报数问题 0.46 4770 10288

1029 False coin 0.27 4765 17063

2516 Minimum Cost 0.34 4760 13858

1466 Girls and Boys 0.44 4756 10599

2453 An Easy Problem 0.59 4731 7929

1111 Image Perimeters 0.59 4703 7884

1488 TEX Quotes 0.52 4691 8947

1604 Just the Facts 0.53 4662 8789

2608 Soundex 0.49 4656 9385

1547 Clay Bully 0.56 4649 8227

1087 A Plug for UNIX 0.33 4641 13874

1236 Network of Schools 0.39 4626 11624

2785 4 Values whose Sum is 0 0.28 4624 15999

3224 Go for Lab Cup! 0.5 4622 9071

3086 Triangular Sums 0.71 4611 6481

3663 Costume Party 0.4 4607 11427

1323 Game Prediction 0.47 4602 9622

1804 Brainman 0.54 4580 8479

2377 Bad Cowtractors 0.42 4577 10851

2778 DNA Sequence 0.38 4564 11970

2112 Optimal Milking 0.36 4562 12622

3013 Big Christmas Tree 0.21 4561 21090

2242 The Circumference of the Circle 0.61 4557 7393

3173 Parkside's Triangle 0.6 4557 7477

2051 Argus 0.46 4555 9737

1010 STAMPS 0.28 4550 16121

1144 Network 0.46 4537 9666

1852 Ants 0.44 4517 10180

3250 Bad Hair Day 0.33 4514 13381

3632 Optimal Parking 0.59 4510 7532

2247 Humble Numbers 0.46 4505 9591

2395 Out of Hay 0.39 4504 11546

3981 字符串替换 0.47 4501 9410

1247 Magnificent Meatballs 0.66 4496 6768

1222 EXTENDED LIGHTS OUT 0.65 4495 6812

3352 Road Construction 0.49 4494 9055

3277 City Horizon 0.27 4481 16504

2135 Farm Tour 0.37 4459 11929

3281 Dining 0.46 4457 9666

2531 Network Saboteur 0.47 4451 9421

3740 Easy Finding 0.27 4429 16362

3210 Coins 0.65 4420 6724

3117 World Cup 0.5 4411 8784

3254 Corn Fields 0.53 4406 8287

2591 Set Definition 0.46 4397 9380

2871 A Simple Question of Chemistry 0.66 4394 6627

2707 Copier Reduction 0.52 4390 8316

2446 Chessboard 0.31 4379 14064

1191 棋盘分割 0.35 4373 12411

1654 Area 0.27 4360 15671

2481 Cows 0.33 4354 13113

2623 Sequence Median 0.27 4341 15519

1836 Alignment 0.32 4331 13453

3083 Children of the Candy Corn 0.43 4317 9943

1775 Sum of Factorials 0.33 4304 13011

1142 Smith Numbers 0.34 4277 12542

3414 Pots 0.42 4273 10147

1226 Substrings 0.35 4269 12146

1051 P,MTHBGWB 0.57 4244 7361

2080 Calendar 0.36 4236 11484

1411 Calling Extraterrestrial Intelligence Again 0.39 4228 10801

3085 Quick Change 0.72 4207 5835

1450 Gridland 0.5 4185 8258

1700 Crossing River 0.37 4181 11092

1947 Rebuilding Roads 0.45 4177 9219

2181 Jumping Cows 0.6 4177 6960

2663 Tri Tiling 0.52 4160 7946

2924 Gauß in Elementary School 0.44 4149 9258

1009 Edge Detection 0.23 4147 17991

3979 分数加减法 0.33 4135 12376

2405 Beavergnaw 0.65 4125 6251

2392 Space Elevator 0.47 4101 8652

2583 Series Determination 0.65 4091 6216

1318 Word Amalgamation 0.48 4054 8388

2538 WERTYU 0.47 4050 8466

1422 Air Raid 0.59 4049 6787

2245 Lotto 0.63 4049 6374

3664 Election Time 0.54 4048 7493

1724 ROADS 0.36 4047 10986

1306 Combinations 0.46 4028 8657

3177 Redundant Paths 0.42 4019 9375

1250 Tanning Salon 0.53 4016 7464

1595 Prime Cuts 0.38 4014 10524

1456 Supermarket 0.42 3990 9314

1651 Multiplication Puzzle 0.6 3963 6509

2413 How many Fibs? 0.37 3963 10662

3356 AGTC 0.38 3952 10248

3660 Cow Contest 0.55 3951 7149

3619 Speed Reading 0.46 3937 8436

1850 Code 0.47 3936 8326

3096 Surprising Strings 0.65 3936 6021

1384 Piggy-Bank 0.48 3923 8104

3672 Long Distance Racing 0.53 3918 7339

2239 Selecting Courses 0.44 3894 8719

1095 Trees Made to Order 0.57 3889 6778

2385 Apple Catching 0.48 3889 7951

3267 The Cow Lexicon 0.47 3883 8241

2762 Going from u to v or from v to u? 0.26 3881 14680

2562 Primary Arithmetic 0.37 3877 10464

2092 Grandpa is Famous 0.5 3872 7698

2403 Hay Points 0.64 3853 6009

1364 King 0.36 3830 10386

2084 Game of Connections 0.5 3828 7548

3164 Command Network 0.28 3813 13179

1847 Tram 0.36 3811 10450

1655 Balancing Act 0.41 3810 9174

1730 Perfect Pth Powers 0.22 3807 16767

3122 Pie 0.35 3799 10810

2033 Alphacode 0.3 3794 12505

2853 Sequence Sum Possibilities 0.66 3790 5736

2606 Rabbit hunt 0.49 3781 7592

3507 Judging Olympia 0.47 3771 7898

2506 Tiling 0.48 3767 7746

3627 Bookshelf 0.5 3739 7470

3295 Tautology 0.37 3730 9834

1745 Divisibility 0.35 3726 10441

2083 Fractal 0.48 3720 7708

2260 Error Correction 0.65 3720 5679

2553 The Bottom of a Graph 0.41 3719 8975

2653 Pick-up sticks 0.37 3715 9993

1260 Pearls 0.49 3689 7453

3318 Matrix Multiplication 0.21 3677 16832

1161 Walls 0.48 3669 7528

1146 ID Codes 0.6 3665 6100

1131 Octal Fractions 0.54 3655 6690

1204 Word Puzzles 0.37 3650 9776

3628 Bookshelf 2 0.45 3647 7943

3274 Gold Balanced Lineup 0.29 3646 12450

2209 The King 0.55 3644 6550

2487 Stamps 0.47 3626 7696

2470 Ambiguous permutations 0.58 3621 6142

1845 Sumdiv 0.24 3616 14684

1164 The Castle 0.56 3614 6394

2769 Reduced ID Numbers 0.4 3614 9004

3169 Layout 0.47 3590 7484

2184 Cow Exhibition 0.38 3583 9344

2983 Is the Information Reliable? 0.31 3579 11348

1607 Deck 0.43 3564 8214

1741 Tree 0.31 3542 11301

2590 Steps 0.46 3532 7666

2349 Arctic Network 0.32 3527 10771

2363 Blocks 0.48 3525 7314

2498 StuPId 0.52 3520 6703

3522 Slim Span 0.52 3517 6637

3061 Subsequence 0.39 3509 8849

2393 Yogurt factory 0.51 3486 6819

2560 Freckles 0.48 3486 7150

1287 Networking 0.54 3459 6379

3748 位操做 0.4 3456 8626

1502 MPI Maelstrom 0.62 3452 5539

1038 Bugs Integrated, Inc. 0.38 3448 9019

2632 Crashing Robots 0.43 3446 7935

3751 时间日期格式转换 0.47 3437 7296

1665 Biker's Trip Odometer 0.63 3435 5420

3620 Avoid The Lakes 0.54 3434 6356

2287 Tian Ji -- The Horse Racing 0.3 3420 11146

2689 Prime Distance 0.26 3413 12779

3020 Antenna Placement 0.49 3404 6836

1986 Distance Queries 0.35 3388 9667

1386 Play on Words 0.34 3368 9797

2007 Scrambled Polygon 0.47 3368 7061

2773 Happy 2006 0.34 3365 9848

3090 Visible Lattice Points 0.58 3356 5696

2291 Rotten Ropes 0.64 3353 5164

1171 Letter Game 0.27 3339 12188

3252 Round Numbers 0.35 3334 9351

1639 Picnic Planning 0.35 3322 9354

1023 The Fun Number System 0.33 3306 9848

2391 Ombrophobic Bovines 0.21 3303 15123

2845 01000001 0.32 3297 10275

2635 The Embarrassed Cryptographer 0.26 3292 12347

2601 Simple calculations 0.5 3290 6558

2316 SPIN 0.51 3287 6358

3292 Semi-prime H-numbers 0.43 3285 7606

2914 Minimum Cut 0.42 3278 7749

2942 Knights of the Round Table 0.32 3277 10074

2456 Aggressive cows 0.5 3265 6520

2886 Who Gets the Most Candies? 0.31 3262 10498

1637 Sightseeing tour 0.41 3259 7783

1659 Frogs' Neighborhood 0.42 3247 7561

1063 Flip and Shift 0.46 3241 6935

3422 Kaka's Matrix Travels 0.4 3236 8074

3348 Cows 0.46 3228 7010

1324 Holedox Moving 0.23 3223 13542

3580 SuperMemo 0.32 3214 9961

3687 Labeling Balls 0.28 3206 11189

3258 River Hopscotch 0.43 3205 7402

1036 Gangsters 0.27 3195 11451

1442 Black Box 0.4 3194 7831

3617 Best Cow Line 0.3 3189 10605

2726 Holiday Hotel 0.39 3187 8125

2891 Strange Way to Express Integers 0.3 3183 10487

3982 序列 0.45 3180 7055

2348 Euclid's Game 0.4 3174 7817

3372 Candy Distribution 0.55 3174 5724

1564 Sum It Up 0.51 3167 6139

1989 The Cow Lineup 0.59 3139 5270

2153 Rank List 0.33 3139 9430

1054 The Troublesome Frog 0.29 3133 10562

3671 Dining Cows 0.42 3132 7375

2992 Divisors 0.29 3108 10494

2226 Muddy Fields 0.36 3103 8390

1410 Intersection 0.25 3095 11949

1928 The Peanuts 0.41 3082 7470

2409 Let it Bead 0.65 3072 4671

1905 Expanding Rods 0.26 3056 11750

3304 Segments 0.3 3052 9900

1228 Grandpa's Estate 0.27 3036 11066

1158 TRAFFIC LIGHTS 0.41 3034 7279

2018 Best Cow Fences 0.32 3019 9424

1350 Cabric Number Problem 0.3 3008 9879

3074 Sudoku 0.35 3007 8421

2376 Cleaning Shifts 0.26 3001 11527

1463 Strategic game 0.46 2990 6452

3207 Ikki's Story IV - Panda's Trick 0.36 2990 8135

2833 The Average 0.31 2983 9594

1089 Intervals 0.39 2982 7482

2545 Hamming Problem 0.45 2968 6457

3026 Borg Maze 0.33 2968 8903

1952 BUY LOW, BUY LOWER 0.34 2961 8549

2250 Compromise 0.44 2955 6602

2063 Investment 0.34 2952 8640

2455 Secret Milking Machine 0.29 2936 9944

3752 字母旋转游戏 0.37 2923 7755

3678 Katu Puzzle 0.36 2922 7968

3280 Cheapest Palindrome 0.48 2921 5994

2723 Get Luffy Out 0.38 2911 7629

2892 Tunnel Warfare 0.41 2910 7085

1828 Monkeys' Pride 0.33 2897 8775

1523 SPF 0.45 2879 6259

1635 Subway tree systems 0.41 2868 6873

1230 Pass-Muraille 0.31 2866 9221

3637 Shopaholic 0.57 2866 4969

1286 Necklace of Beads 0.41 2856 6813

3255 Roadblocks 0.36 2855 7782

2499 Binary Tree 0.46 2848 6165

3087 Shuffle'm Up 0.46 2822 6024

2482 Stars in Your Window 0.27 2820 10224

2536 Gopher II 0.4 2816 6883

3723 Conscription 0.34 2815 8086

3983 快算24 0.61 2811 4584

1154 LETTERS 0.47 2810 5940

1661 Help Jimmy 0.31 2805 8774

1101 The Game 0.3 2799 9195

2451 Uyuw's Concert 0.39 2795 7147

1039 Pipe 0.3 2794 9235

2304 Combination Lock 0.61 2788 4542

3683 Priest John's Busiest Day 0.34 2787 8176

1995 Raising Modulo Numbers 0.58 2781 4790

3219 Binomial Coefficients 0.41 2780 6705

2796 Feel Good 0.27 2779 10167

1331 Multiply 0.53 2764 5162

2594 Treasure Exploration 0.4 2759 6826

3211 Washing Clothes 0.31 2753 8713

2185 Milking Grid 0.42 2736 6493

2028 When Can We Meet? 0.55 2733 4946

3294 Life Forms 0.27 2733 9904

3680 Intervals 0.41 2727 6591

2356 Find a multiple 0.43 2726 6247

3032 Card Trick 0.71 2725 3813

2019 Cornfields 0.49 2717 5529

1740 A New Stone Game 0.54 2715 4969

2696 A Mysterious Function 0.69 2715 3917

1606 Jugs 0.59 2707 4584

1904 King's Quest 0.36 2707 7476

1491 Pi 0.56 2704 4825

3625 Building Roads 0.28 2696 9389

2505 A multiplication game 0.5 2692 5369

3017 Cut the Sequence 0.29 2692 9158

3641 Pseudoprime numbers 0.4 2687 6623

3615 Cow Hurdles 0.44 2683 6025

3691 DNA repair 0.46 2667 5688

1405 Heritage 0.37 2658 7149

1496 Word Index 0.56 2654 4682

3621 Sightseeing Cows 0.33 2654 7872

2230 Watchcow 0.43 2648 6133

3670 Eating Together 0.48 2644 5417

1275 Cashier Employment 0.37 2639 7116

2154 Color 0.32 2634 8050

3714 Raid 0.3 2627 8710

2248 Addition Chains 0.54 2615 4767

3225 Help with Intervals 0.24 2614 10639

3692 Kindergarten 0.48 2613 5358

1815 Friendship 0.27 2596 9301

3669 Meteor Shower 0.28 2596 9166

3463 Sightseeing 0.35 2595 7281

1107 W's Cipher 0.5 2594 5159

2945 Find the Clones 0.37 2584 6948

1751 Highways 0.27 2580 9253

2864 Pascal Library 0.47 2574 5380

3187 Backward Digit Sums 0.57 2573 4484

1556 The Doors 0.4 2571 6410

3608 Bridge Across Islands 0.29 2568 8710

2452 Sticks Problem 0.26 2563 9685

3051 Satellite Photographs 0.47 2563 5411

3517 And Then There Was One 0.53 2556 4816

2337 Catenyms 0.26 2553 9813

1723 SOLDIERS 0.37 2551 6733

2127 Greatest Common Increasing Subsequence 0.26 2551 9629

3648 Wedding 0.3 2545 8438

1091 跳蚤 0.29 2524 8499

3370 Halloween treats 0.37 2520 6781

2987 Firing 0.3 2519 8341

1785 Binary Search Heap Construction 0.28 2515 8865

2486 Apple Tree 0.33 2515 7493

2342 Anniversary party 0.56 2511 4430

1575 Easier Done Than Said? 0.55 2503 4493

1733 Parity game 0.38 2498 6452

1666 Candy Sharing Game 0.66 2485 3734

2612 Mine Sweeper 0.38 2485 6373

3415 Common Substrings 0.33 2481 7458

3735 Training little cats 0.23 2479 10375

1106 Transmitters 0.53 2478 4630

3311 Hie with the Pie 0.52 2477 4679

2060 Taxi Cab Scheme 0.41 2476 5916

2484 A Funny Game 0.6 2473 4082

1949 Chores 0.46 2462 5246

1597 Uniform Generator 0.47 2461 5214

2782 Bin Packing 0.45 2461 5434

2442 Sequence 0.32 2460 7478

2079 Triangle 0.29 2458 8261

3694 Network 0.35 2455 6895

1221 UNIMODAL PALINDROMIC DECOMPOSITIONS 0.48 2437 5001

3737 UmBasketella 0.38 2428 6234

2054 Color a Tree 0.34 2425 7078

1037 A decorative fence 0.36 2421 6608

1704 Georgia and Bob 0.3 2412 7825

2398 Toy Storage 0.59 2411 4064

2985 The k-th Largest Group 0.32 2400 7412

1416 Shredding Company 0.56 2399 4251

1041 John's trip 0.32 2389 7257

2029 Get Many Persimmon Trees 0.65 2382 3663

2681 Anagrammatic Distance 0.55 2382 4310

2480 Longge's problem 0.32 2380 7241

2031 Building a Space Station 0.5 2377 4698

3140 Contestants Division 0.28 2373 8294

3427 Ecology tax 0.52 2370 4511

2075 Tangled in Cables 0.39 2363 5995

2704 Pascal's Travels 0.44 2361 5256

3270 Cow Sorting 0.38 2359 6148

2288 Islands and Bridges 0.25 2357 9127

2549 Sumsets 0.27 2355 8518

1279 Art Gallery 0.42 2349 5544

2125 Destroying The Graph 0.31 2349 7387

2312 Battle City 0.33 2346 6947

1990 MooFest 0.43 2344 5426

3048 Max Factor 0.39 2331 5905

1981 Circle and Points 0.35 2328 6557

3668 Game of Lines 0.37 2328 6234

3104 Drying 0.25 2325 9162

1082 Calendar Game 0.47 2321 4895

1066 Treasure Hunt 0.41 2315 5574

2365 Rope 0.35 2308 6524

2396 Budget 0.38 2303 6054

3320 Jessica's Reading Problem 0.31 2301 7312

1186 方程的解数 0.34 2293 6692

2394 Checking an Alibi 0.36 2292 6291

2664 Prerequisites? 0.62 2291 3663

1698 Alice's Chance 0.41 2283 5510

1126 Simply Syntax 0.44 2282 5137

1978 Hanafuda Shuffle 0.57 2282 3951

1265 Area 0.44 2280 5096

2272 Bullseye 0.47 2279 4791

2370 Democracy in danger 0.73 2277 3087

1505 Copying Books 0.31 2271 7280

1135 Domino Effect 0.24 2263 9061

3308 Paratroopers 0.3 2261 7498

2975 Nim 0.46 2254 4857

1322 Chocolate 0.26 2253 8582

1681 Painter's Problem 0.48 2251 4614

1577 Falling Leaves 0.55 2247 4064

2996 Help Me with the Game 0.64 2246 3501

2378 Tree Cutting 0.59 2245 3756

2151 Check the difficulty of problems 0.44 2241 5085

2576 Tug of War 0.27 2240 8286

3604 Professor Ben 0.25 2238 8750

2339 Rock, Scissors, Paper 0.58 2235 3824

2244 Eeny Meeny Moo 0.69 2229 3214

1625 Censored! 0.27 2223 8227

2941 Homogeneous Squares 0.52 2217 4253

1152 An Easy Problem! 0.25 2208 8741

2419 Forests 0.38 2206 5765

2954 Triangle 0.43 2205 5100

1147 Binary codes 0.38 2203 5651

1830 开关问题 0.37 2203 5833

2976 Dropping tests 0.34 2201 6378

3366 Deli Deli 0.56 2191 3873

2431 Expedition 0.29 2190 7384

3069 Saruman's Army 0.51 2184 4252

3613 Cow Relays 0.39 2168 5485

1948 Triangular Pastures 0.32 2166 6649

3076 Sudoku 0.48 2163 4443

2749 Building roads 0.33 2158 6387

3693 Maximum repetition substring 0.29 2158 7224

2501 Average Speed 0.44 2153 4812

2289 Jamie's Contact Groups 0.32 2141 6619

1189 钉子和小球 0.29 2132 7138

3335 Rotating Scoreboard 0.39 2131 5342

3186 Treats for the Cows 0.5 2129 4230

3635 Full Tank? 0.32 2126 6502

3636 Nested Dolls 0.27 2125 7840

3249 Test for Job 0.22 2121 9327

2771 Guardian of Decency 0.42 2114 5021

2436 Disease Management 0.47 2110 4462

3007 Organize Your Train part II 0.28 2108 7278

2014 Flow Layout 0.69 2103 3032

2305 Basic remains 0.42 2100 4976

1404 I-Keyboard 0.49 2094 4271

3256 Cow Picnic 0.41 2087 5052

2346 Lucky tickets 0.65 2086 3184

2367 Genealogical tree 0.67 2086 3082

1179 Polygon 0.41 2081 4959

3157 Java vs C++ 0.28 2076 7305

2502 Subway 0.32 2073 6336

2271 HTML 0.32 2071 6288

3014 Cake Pieces and Plates 0.31 2061 6582

3616 Milking Time 0.41 2057 4898

2546 Circular Area 0.4 2052 5121

1317 Do the Untwist 0.6 2050 3365

3125 Printer Queue 0.53 2048 3796

1696 Space Ant 0.64 2046 3192

2603 Brave balloonists 0.42 2038 4776

3659 Cell Phone Network 0.35 2033 5669

2876 Cantoring Along 0.54 2029 3714

1376 Robot 0.32 2026 6228

1546 Basically Speaking 0.45 2017 4451

3132 Sum of Different Primes 0.62 2015 3242

3204 Ikki's Story I - Road Reconstruction 0.28 2009 6975

3665 iCow 0.36 2009 5434

2572 Hard to Believe, but True! 0.57 2006 3508

1609 Tiling Up Blocks 0.39 2004 5129

3300 Tour de France 0.47 2004 4184

1155 TELE 0.52 1998 3775

2709 Painter 0.62 1998 3212

3155 Hard Life 0.28 1996 6906

3666 Making the Grade 0.47 1995 4228

3536 Beer Refrigerator 0.38 1993 5116

1379 Run Away 0.3 1985 6463

1835 宇航员 0.42 1985 4633

1493 Machined Surfaces 0.63 1978 3127

1156 A STRIP OF LAND 0.29 1973 6641

1699 Best Sequence 0.39 1971 4976

1220 NUMBER BASE CONVERSION 0.45 1965 4356

1971 Parallelogram Counting 0.33 1964 5830

3411 Paid Roads 0.35 1957 5509

1906 Three powers 0.45 1952 4320

1717 Dominoes 0.32 1946 5925

1419 Graph Coloring 0.45 1942 4271

1521 Entropy 0.39 1940 4960

3661 Running 0.37 1936 5225

3342 Party at Hali-Bula 0.35 1930 5435

1580 String Matching 0.51 1929 3752

1702 Eva's Balance 0.49 1927 3909

3498 March of the Penguins 0.45 1926 4230

1964 City Game 0.39 1924 4845

3734 Blocks 0.45 1923 4273

3331 The Idiot of the Year Contest! 0.52 1918 3643

2472 106 miles to Chicago 0.46 1913 4153

2661 Factstone Benchmark 0.51 1913 3747

3450 Corporate Identity 0.37 1912 5152

1985 Cow Marathon 0.5 1906 3790

1734 Sightseeing trip 0.38 1905 4984

2142 The Balance 0.43 1905 4347

2643 Election 0.46 1905 4065

2420 A Star not a Tree? 0.49 1901 3847

1208 The Blocks Problem 0.41 1897 4540

3189 Steady Cow Assignment 0.34 1893 5482

3525 Most Distant Point from the Sea 0.46 1887 4016

2263 Heavy Cargo 0.53 1885 3528

2800 Joseph's Problem 0.26 1882 7237

3436 ACM Computer Factory 0.34 1881 5492

1060 Modular multiplication of polynomials 0.45 1880 4111

1781 In Danger 0.52 1878 3603

2507 Crossed ladders 0.38 1876 4886

1170 Shopping Offers 0.41 1873 4467

3494 Largest Submatrix of All 1’s 0.37 1872 5038

2282 The Counting Problem 0.53 1871 3509

1145 Tree Summing 0.23 1869 7978

2993 Emag eht htiw Em Pleh 0.66 1861 2801

3199 Uncle Jack 0.41 1851 4435

3618 Exploration 0.48 1851 3827

1966 Cable TV Network 0.47 1848 3927

2336 Ferry Loading II 0.5 1846 3628

2756 Autumn is a Genius 0.22 1845 8134

2429 GCD & LCM Inverse 0.18 1836 9871

1581 A Contesting Decision 0.71 1828 2573

2780 Linearity 0.23 1825 7873

2078 Matrix 0.51 1817 3499

1027 The Same Game 0.37 1809 4868

3662 Telephone Lines 0.36 1807 4943

2121 Inglish-Number Translator 0.38 1802 4632

1950 Dessert 0.37 1800 4802

1548 Robots 0.45 1797 3929

2049 Finding Nemo 0.23 1787 7725

3686 The Windy's 0.42 1778 4159

3364 Black and white painting 0.68 1777 2591

3262 Protecting the Flowers 0.4 1776 4395

3511 Fermat's Christmas Theorem 0.21 1774 8392

1132 Border 0.47 1772 3745

3185 The Water Bowls 0.39 1762 4444

3230 Travel 0.41 1761 4195

1284 Primitive Roots 0.57 1759 3061

1112 Team Them Up! 0.26 1758 6569

2101 Honey and Milk Land 0.55 1757 3154

2417 Discrete Logging 0.46 1756 3758

2085 Inversion 0.44 1755 3926

1390 Blocks 0.4 1748 4324

3183 Stump Removal 0.52 1748 3327

2286 The Rotation Game 0.33 1737 5215

2610 Dog & Gopher 0.42 1734 4100

3626 Mud Puddles 0.57 1734 2997

3322 Bloxorz I 0.33 1729 5155

3421 X-factor Chains 0.31 1729 5468

2960 S-Nim 0.52 1725 3273

1650 Integer Approximation 0.32 1724 5273

2959 Ball bearings 0.57 1722 2972

2955 Brackets 0.51 1716 3340

2680 Computer Transformation 0.38 1715 4502

3216 Repairing Company 0.26 1715 6385

3623 Best Cow Line, Gold 0.36 1712 4654

2894 Ancient Keyboard 0.55 1706 3073

3130 How I Mathematician Wonder What You Are! 0.53 1706 3199

1984 Navigation Nightmare 0.38 1703 4480

2082 Terrible Sets 0.52 1694 3250

1468 Rectangles 0.51 1687 3278

1584 A Round Peg in a Ground Hole 0.31 1683 5342

3107 Godfather 0.34 1672 4857

3404 Bridge over a rough river 0.4 1669 4076

2685 Numeral System 0.76 1667 2168

2624 4th Point 0.35 1661 4711

1691 Painting A Board 0.49 1660 3368

3378 Crazy Thairs 0.24 1660 6679

1958 Strange Towers of Hanoi 0.66 1656 2492

2629 Common permutation 0.3 1652 5423

3191 The Moronic Cowmpouter 0.52 1649 3132

1939 Diplomatic License 0.46 1648 3563

1692 Crossed Matchings 0.64 1640 2527

3071 Football 0.5 1637 3215

2677 Tour 0.44 1632 3648

2895 Best SMS to Type 0.42 1630 3869

2457 Part Acquisition 0.43 1628 3758

3974 Palindrome 0.35 1623 4554

3181 Dollar Dayz 0.39 1622 4155

3243 Clever Y 0.24 1618 6638

1389 Area of Simple Polygons 0.5 1612 3165

2750 Potted Flower 0.37 1610 4270

1040 Transportation 0.4 1608 3968

3286 How many 0's? 0.53 1607 3003

3508 Hide That Number 0.3 1604 5329

1739 Tony's Tour 0.46 1602 3435

1877 Flooded! 0.31 1602 5066

2763 Housewife Wind 0.25 1602 6293

3194 Equidivisions 0.58 1596 2722

1617 Crypto Columns 0.62 1593 2547

2552 Assistance Required 0.58 1593 2741

3386 Halloween Holidays 0.41 1591 3789

3903 Stock Exchange 0.35 1591 4499

1980 Unit Fraction Partition 0.39 1585 4058

2010 Moo University - Financial Aid 0.3 1577 5245

2947 Widget Factory 0.33 1574 4641

3111 K Best 0.26 1573 5876

1167 The Buses 0.27 1571 5703

3646 The Dragon of Loowater 0.5 1571 3117

1475 Pushing Boxes 0.34 1568 4559

1509 Glass Beads 0.58 1564 2696

1941 The Sierpinski Fractal 0.44 1564 3519

1436 Horizontally Visible Segments 0.36 1560 4266

1873 The Fortified Forest 0.28 1545 5429

2535 Very Simple Problem 0.37 1542 4148

1270 Following Orders 0.39 1541 3882

1951 Extra Krunch 0.25 1536 6125

2688 Cleaning Robot 0.41 1536 3728

2949 Word Rings 0.21 1531 6997

3260 The Fewest Coins 0.3 1529 5075

1694 An Old Stone Game 0.45 1527 3345

1180 Batch Scheduling 0.46 1521 3304

2021 Relative Relatives 0.43 1521 3475

3720 Occurrence of Digits 0.41 1521 3677

1484 Blowing Fuses 0.38 1515 3953

2684 Polygonal Line Search 0.62 1513 2426

3050 Hopscotch 0.71 1510 2109

2948 Martian Mining 0.61 1508 2447

3800 Repair Depots 0.74 1505 2009

1555 Polynomial Showdown 0.34 1504 4315

3036 Honeycomb Walk 0.68 1503 2183

1099 Square Ice 0.39 1499 3821

2495 Incomplete chess boards 0.61 1498 2441

2325 Persistent Numbers 0.48 1492 3076

3652 Persistent Bits 0.57 1490 2580

1474 Video Surveillance 0.44 1487 3363

1320 Street Numbers 0.55 1486 2673

2888 Magic Bracelet 0.32 1486 4573

1975 Median Weight Bead 0.5 1481 2911

2491 Scavenger Hunt 0.54 1476 2723

1243 One Person 0.66 1465 2189

1079 Ratio 0.37 1463 3932

2183 Bovine Math Geniuses 0.62 1463 2358

2313 Sequence 0.39 1460 3679

3444 Wavelet Compression 0.65 1458 2237

3709 K-Anonymous Sequence 0.31 1458 4597

2826 An Easy Problem?! 0.15 1455 9649

1128 Frame Stacking 0.33 1452 4306

3614 Sunscreen 0.34 1451 4179

1252 Euro Efficiency 0.43 1448 3351

2353 Ministry 0.32 1448 4513

2139 Six Degrees of Cowvin Bacon 0.46 1445 3117

3420 Quad Tiling 0.43 1443 3337

1365 Prime Land 0.46 1439 3125

1719 Shooting Contest 0.36 1439 3940

1127 Jack Straws 0.45 1438 3190

1946 Cow Cycling 0.55 1437 2592

2570 Fiber Network 0.45 1437 3126

1329 Circle Through Three Points 0.42 1435 3401

3744 Scout YYF I 0.27 1432 5237

1383 Labyrinth 0.37 1430 3770

1315 Don't Get Rooked 0.63 1429 2240

2579 Blurred Vision 0.72 1429 1972

2917 Diophantus of Alexandria 0.34 1427 4091

2138 Travel Games 0.35 1426 3983

3002 Jackpot 0.33 1426 4271

1755 Triathlon 0.25 1424 5566

1737 Connected Graph 0.49 1423 2903

2940 Wine Trading in Gergovia 0.45 1423 3103

3697 USTC campus network 0.31 1421 4583

2369 Permutations 0.52 1419 2703

1021 2D-Nim 0.45 1418 3129

2402 Palindrome Numbers 0.37 1409 3734

2034 Anti-prime Sequences 0.45 1407 3079

2381 Random Gap 0.26 1403 5258

3913 Gnome Sequencing 0.68 1403 2045

1084 Square Destroyer 0.42 1402 3297

1150 The Last Non-zero Digit 0.29 1388 4778

1299 Polar Explorer 0.34 1388 3970

1248 Safecracker 0.55 1378 2494

3565 Ants 0.3 1378 4447

2887 Big String 0.23 1377 5855

3629 Card Stacking 0.4 1374 3376

2110 Mountain Walking 0.32 1368 4190

3445 Elementary Additions 0.54 1367 2490

1465 Multiple 0.21 1366 6262

1184 聪明的打字员 0.2 1365 6588

2096 Collecting Bugs 0.49 1364 2768

1198 Solitaire 0.35 1363 3818

2926 Requirements 0.33 1358 4001

3384 Feng Shui 0.3 1357 4404

1176 Party Lamps 0.34 1356 3946

2117 Electricity 0.33 1354 4027

3279 Fliptile 0.38 1353 3497

1053 Set Me 0.46 1352 2934

2441 Arrange the Bulls 0.38 1352 3548

2607 Fire Station 0.35 1351 3809

1782 Run Length Encoding 0.32 1350 4154

1970 The Game 0.26 1343 5032

1486 Sorting Slides 0.39 1342 3417

2160 Box 0.36 1341 3660

2425 A Chess Game 0.4 1336 3262

1769 Minimizing maximizer 0.39 1330 3352

2227 The Wedding Juicer 0.44 1330 3012

1140 Expanding Fractions 0.39 1329 3332

3767 I Wanna Go Home 0.42 1328 3113

2673 Kicc Wants to Move a Mountain! 0.26 1325 5091

1976 A Mini Locomotive 0.55 1321 2381

2748 Logs Stacking 0.31 1320 4209

1178 Camelot 0.46 1319 2811

2440 DNA 0.39 1318 3324

2907 Collecting Beepers 0.53 1313 2436

1033 Defragment 0.34 1311 3771

3425 Customer support 0.46 1311 2842

1673 EXOCENTER OF A TRIANGLE 0.39 1309 3314

2935 Basic Wall Maze 0.45 1308 2890

3978 Primes 0.38 1307 3426

1598 Excuses, Excuses! 0.34 1304 3765

2246 Matrix Chain Multiplication 0.63 1297 2053

2718 Smallest Difference 0.27 1290 4639

3145 Harmony Forever 0.24 1289 5219

3049 Securing the Barn 0.64 1288 1994

2041 Unreliable Message 0.61 1286 2097

2497 Strategies 0.48 1282 2627

2584 T-Shirt Gumbo 0.46 1281 2743

2613 Choose and divide 0.32 1279 3933

3239 Solution to the n Queens Puzzle 0.36 1278 3476

1192 最优连通子集 0.53 1275 2404

3592 Instantaneous Transference 0.22 1273 5722

2042 Lagrange's Four-Square Theorem 0.45 1271 2821

2126 Factoring a Polynomial 0.51 1270 2451

3150 Cellular Automaton 0.4 1266 3148

1240 Pre-Post-erous! 0.61 1263 2051

2201 Cartesian Tree 0.38 1263 3239

3298 Antimonotonicity 0.43 1260 2901

1143 Number Game 0.4 1258 3135

1603 Risk 0.46 1253 2689

1686 Lazy Math Instructor 0.34 1252 3636

2454 Jersey Politics 0.25 1252 4991

3237 Tree 0.27 1249 4481

2724 Purifying Machine 0.28 1246 4363

3276 Face The Right Way 0.45 1246 2721

3301 Texas Trip 0.3 1246 4104

2241 The Tower of Babylon 0.56 1245 2208

3480 John 0.47 1244 2626

2860 Block game with the Little Prince 0.66 1242 1858

1451 T9 0.35 1241 3465

1848 Tree 0.34 1240 3609

3432 Count Squares 0.43 1240 2823

2537 Tight words 0.47 1238 2595

3167 Cow Patterns 0.37 1237 3330

1816 Wild Words 0.26 1233 4721

1925 Spiderman 0.19 1233 6311

2373 Dividing the Path 0.36 1232 3410

2008 Moo University - Team Tryouts 0.28 1231 4270

2668 Defending Castle 0.24 1231 5073

1520 Scramble Sort 0.48 1230 2558

2329 Nearest number - 2 0.3 1229 3968

3345 Bribing FIPA 0.3 1219 3937

1944 Fiber Communications 0.3 1218 4020

2573 Bridge 0.35 1217 3459

1590 Palindromes 0.34 1213 3484

3685 Matrix 0.25 1208 4697

1454 Factorial Frequencies 0.43 1199 2748

2437 Muddy roads 0.48 1194 2484

3039 Close Encounter 0.36 1193 3304

3696 The Luckiest number 0.26 1192 4446

1732 Phone numbers 0.32 1191 3694

1120 A New Growth Industry 0.47 1186 2508

3044 City Skyline 0.48 1181 2453

1375 Intervals 0.29 1180 4046

2004 Mix and Build 0.3 1179 3867

3045 Cow Acrobats 0.39 1175 2984

3078 Q 0.7 1175 1672

1701 Dissatisfying Lift 0.21 1174 5338

1962 Corporative Network 0.36 1173 3243

2817 WordStack 0.35 1171 3255

3275 Ranking the Cows 0.46 1170 2501

1690 (Your)((Term)((Project))) 0.37 1168 3114

3232 Accelerator 0.24 1168 4726

2379 ACM Rank Table 0.26 1166 4442

1408 Fishnet 0.63 1165 1823

2408 Anagram Groups 0.26 1164 4373

3579 Median 0.29 1163 3962

2918 Tudoku 0.54 1162 2115

1945 Power Hungry Cows 0.24 1160 4708

3046 Ant Counting 0.4 1155 2861

2459 Feed Accounting 0.54 1146 2099

2640 Playground 0.38 1145 2996

2218 Does This Make Me Look Fat? 0.46 1136 2462

3363 Annoying painting tool 0.66 1136 1703

2273 An Excel-lent Problem 0.64 1135 1756

1821 Fence 0.3 1130 3688

2074 Line of Sight 0.31 1129 3566

3417 Network 0.28 1129 3957

2967 Triangles 0.15 1128 7484

3340 Barbara Bennett's Wild Numbers 0.36 1128 3121

2311 Cutting Game 0.36 1127 3054

2225 Asteroids! 0.37 1126 2986

3543 iChess 0.45 1125 2498

3781 Nth Largest Value 0.65 1117 1709

3581 Sequence 0.21 1116 5268

3190 Stall Reservations 0.35 1115 3101

2738 Two Ends 0.47 1114 2350

2626 Chess 0.46 1113 2411

1085 Triangle War 0.39 1110 2808

1034 The dog task 0.4 1104 2754

3037 Skiing 0.27 1103 4029

1634 Who's the boss? 0.41 1102 2668

2295 A DP Problem 0.31 1102 3518

3916 Duplicate Removal 0.69 1102 1586

1434 Fill the Cisterns! 0.33 1101 3243

2540 Hotter Colder 0.41 1101 2664

3101 Astronomy 0.21 1100 5070

3728 The merchant 0.33 1099 3320

1239 Increasing Sequences 0.37 1098 2920

1031 Fence 0.33 1095 3267

3512 Incidental Points 0.22 1091 4766

1695 Magazine Delivery 0.48 1087 2221

2631 Roads in the North 0.48 1084 2220

1313 Booklet Printing 0.5 1078 2143

1380 Equipment Box 0.26 1077 4056

3753 根据关键字进行字符串拷贝 0.22 1074 4777

1090 Chain 0.33 1068 3231

2157 Maze 0.31 1068 3405

3257 Cow Roller Coaster 0.39 1067 2725

2526 Center of symmetry 0.44 1064 2380

3018 Giftbox 0.28 1064 3781

3213 PM3 0.34 1062 3041

2443 Set Operation 0.39 1060 2695

3768 Repeater 0.26 1058 3979

1675 Happy Birthday! 0.24 1057 4260

2038 Team Rankings 0.5 1057 2078

3228 Gold Transportation 0.35 1057 2971

3095 Linear Pachinko 0.73 1052 1426

3505 Tower Parking 0.62 1052 1676

3994 Probability One 0.68 1051 1524

1917 Automatic Poetry 0.5 1042 2048

1926 Pollution 0.26 1041 3923

3537 Crosses and Crosses 0.38 1041 2733

3487 The Stable Marriage Problem 0.43 1039 2372

3497 Assemble 0.32 1037 3236

1974 The Happy Worm 0.22 1036 4647

2973 Scrabble 0.57 1035 1801

3690 Constellations 0.19 1033 5366

2710 Consecutive Digits 0.61 1032 1685

3695 Rectangles 0.28 1032 3613

3716 Panda's Birthday Present 0.65 1031 1568

3705 Reverse 0.31 1025 3214

1636 Prison rearrangement 0.45 1023 2254

2100 Graveyard Design 0.21 1020 4729

2897 Dramatic Multiplications 0.41 1019 2431

3310 Caterpillar 0.47 1019 2144

2259 Team Queue 0.37 1015 2676

3272 Cow Traffic 0.27 1015 3699

2991 Crane 0.27 1013 3737

2649 Factovisors 0.24 1011 4095

3034 Whac-a-Mole 0.3 1010 3343

1130 Alien Security 0.36 1008 2757

3700 Missile Defence System 0.23 1008 4273

2191 Mersenne Composite Numbers 0.47 1004 2095

3528 Ultimate Weapon 0.47 1004 2093

3347 Kadj Squares 0.39 1003 2570

1856 Sea Battle 0.35 998 2816

2179 Inlay Cutters 0.42 995 2367

3084 Panic Room 0.51 987 1909

2734 Queens, Knights and Pawns 0.49 983 1980

2922 Honeymoon Hike 0.3 983 3249

2264 Advanced Fruits 0.49 979 1968

2893 M × N Puzzle 0.27 977 3506

2646 The Trip 0.3 974 3165

3373 Changing Digits 0.32 974 3008

2508 Conic distance 0.41 972 2315

2106 Boolean Expressions 0.3 971 3145

3681 Finding the Rectangle 0.29 971 3295

1057 FILE MAPPING 0.49 970 1961

2564 Edit Step Ladders 0.37 967 2581

3012 A Number from Yanghui Triangle 0.41 967 2322

1932 XYZZY 0.28 964 3345

2065 SETI 0.61 964 1561

3612 Telephone Wire 0.36 962 2637

2137 Cowties 0.33 961 2870

2128 Highways 0.36 960 2613

2355 Railway tickets 0.35 960 2703

2722 Angle and Squares 0.41 960 2332

3377 Ferry Lanes 0.21 960 4387

3171 Cleaning Shifts 0.34 959 2753

3093 Margaritas on the River Walk 0.37 958 2539

3312 Mahershalalhashbaz, Nebuchadnezzar, and Billy Bob

Benjamin Go to the Regionals 0.4 958 2340

3600 Subimage Recognition 0.37 957 2555

3193 Cow Phrasebook 0.34 954 2794

2872 Spelling Be 0.32 951 2965

1920 Towers of Hanoi 0.44 948 2136

1254 Hansel and Grethel 0.45 946 2081

1385 Lifting the Stone 0.34 945 2725

2795 Exploring Pyramids 0.45 943 2055

1117 Pairs of Integers 0.25 937 3733

2163 Easy Trading 0.45 937 2062

3226 String's Puzzle 0.4 937 2327

1281 MANAGER 0.36 934 2587

2654 Rock-Paper-Scissors Tournament 0.36 934 2585

2175 Evacuation Plan 0.26 933 3502

1750 Dictionary 0.29 931 3203

2430 Lazy Cows 0.38 928 2387

3138 ACM Team Selection 0.49 928 1880

3134 Power Calculus 0.53 927 1724

2208 Pyramids 0.32 923 2800

1823 Hotel 0.43 921 2137

3385 Genealogy 0.29 921 3144

2057 The Lost House 0.41 918 2236

2366 Sacrament of the sum 0.45 917 2007

3307 Smart Sister 0.4 917 2237

3406 Last digit 0.3 917 3041

2565 Average is not Fast Enough! 0.44 916 2075

1193 内存分配 0.2 913 4407

2228 Naptime 0.39 913 2287

3460 Booksort 0.45 912 1999

2923 Relocation 0.41 911 2206

2984 A New Joseph Problem 0.23 910 3843

2069 Super Star 0.26 909 3444

3263 Tallest Cow 0.46 906 1964

1049 Microprocessor Simulation 0.29 905 3091

1563 The Snail 0.47 905 1903

1283 Moving Computer 0.44 903 2032

3332 Parsing Real Numbers 0.38 903 2368

3133 Manhattan Wiring 0.58 902 1530

2662 A Walk Through the Forest 0.36 897 2465

1760 Disk Tree 0.36 894 2420

1787 Charlie's Change 0.28 894 3132

3917 Rock, Paper, Scissors 0.61 891 1450

1473 There's Treasure Everywhere! 0.44 889 1989

1485 Fast Food 0.37 888 2383

2193 Lenny's Lucky Lotto Lists 0.42 888 2090

3160 Father Christmas flymouse 0.33 888 2652

2567 Code the Tree 0.38 887 2306

2581 Exact Change Only 0.34 884 2588

3390 Print Words in Lines 0.53 884 1653

3764 The xor-longest Path 0.22 883 4004

3047 Bovine Birthday 0.46 881 1905

1706 References 0.2 880 4196

2812 Extrusion 0.58 878 1498

2838 Graph Connectivity 0.26 876 3351

3440 Coin Toss 0.27 876 3244

2908 Quantum 0.3 873 2832

2424 Flo's Restaurant 0.31 872 2812

3715 Blue and Red 0.26 872 3244

1043 What's In A Name? 0.35 871 2426

1406 Starship Hakodate-maru 0.62 871 1397

3639 Exchange Rates 0.35 870 2458

1671 Rhyme Schemes 0.56 864 1541

2404 Jogging Trails 0.39 864 2171

1300 Door Man 0.4 862 2148

3640 Conformity 0.31 862 2748

3439 Server Relocation 0.36 861 2381

2059 Watchdog 0.63 860 1345

2556 Edge 0.69 860 1235

2810 Take Your Vitamins 0.29 860 2952

3088 Push Botton Lock 0.62 858 1364

2657 Comfort 0.34 852 2484

3561 Pseudographical recognizer 0.41 847 2029

2062 Card Game Cheater 0.5 846 1685

2781 The mysterious X network 0.42 846 2004

3338 Rectangle Cutting 0.66 845 1277

1589 Unix ls 0.33 842 2489

2460 Brownie Points I 0.63 839 1317

3682 King Arthur's Birthday Celebration 0.31 839 2680

1972 Dice Stacking 0.62 836 1347

2641 Billiard 0.61 836 1354

2772 Up the Stairs 0.45 836 1841

3128 Leonardo's Notebook 0.44 835 1883

3174 Alignment of the Planets 0.49 833 1679

3192 DNA Assembly 0.43 833 1930

1309 Coconuts, Revisited 0.41 832 2008

2465 Adventures in Moving - Part IV 0.35 830 2344

2555 Drink, on Ice 0.6 830 1382

3374 Cake Share 0.26 829 3139

1044 Date bugs 0.29 828 2852

2006 Litmus Test 0.53 828 1549

3675 Telescope 0.28 827 2897

3510 A Tale from the Dark Side of the Moon 0.28 825 2934

3928 Ping pong 0.37 825 2174

2818 Making Change 0.53 824 1536

1059 Chutes and Ladders 0.03 820 20952

2969 Divisibility by 15 0.25 819 3182

3544 Journey with Pigs 0.3 818 2693

1940 Polygon Programming with Ease 0.63 815 1285

3437 Tree Grafting 0.43 814 1866

2978 Colored stones 0.47 812 1723

3844 Divisible Subsequences 0.36 812 2253

2056 The Separator in Grid 0.3 811 2668

3358 Period of an Infinite Binary Expansion 0.26 809 3041

3146 Interesting Yang Hui Triangle 0.47 808 1685

3244 Difference between Triplets 0.32 808 2502

2585 Window Pains 0.49 807 1621

2675 Songs 0.39 807 2055

1024 Tester Program 0.35 806 2273

2210 Metric Time 0.3 806 2605

2599 A funny game 0.42 806 1913

3282 Ferry Loading IV 0.4 806 1991

3175 Finding Bovine Roots 0.19 805 4056

1788 Building a New Depot 0.41 804 1956

3407 Brookebond s'en va en guerre... 0.48 804 1659

2374 Fence Obstacle Course 0.36 796 2184

2666 Back to Mother Ship 0.32 795 2410

1165 The Primes 0.42 791 1853

2951 Cake Cutting 0.54 791 1455

3367 Expressions 0.32 791 2405

3170 Knights of Ni 0.43 789 1797

3486 Computers 0.42 789 1850

2799 IP Networks 0.37 787 2096

1923 Fourier's Lines 0.32 786 2438

2837 Silver Matrix 0.63 786 1244

2368 Buttons 0.25 785 3078

3114 Countries in War 0.29 784 2636

1721 CARDS 0.53 783 1468

3180 The Cow Prom 0.63 782 1230

1354 Placement of Keys 0.52 780 1474

3221 Diamond Puzzle 0.54 779 1418

1122 FDNY to the Rescue! 0.3 778 2550

1934 Trip 0.25 775 3028

3375 Network Connection 0.23 775 3330

1632 Vase collection 0.37 773 2053

2361 Tic Tac Toe 0.37 771 2082

2627 Gopher and hawks 0.38 770 1991

2699 The Maximum Number of Strong Kings 0.46 770 1649

2046 Gap 0.44 769 1724

3435 Sudoku Checker 0.44 769 1732

3129 How I Wonder What You Are! 0.72 767 1065

3475 Paper-, er, Transcript-Folding Game 0.35 767 2167

1105 S-Trees 0.53 765 1425

1838 Banana 0.36 760 2064

3283 Card Hands 0.3 760 2454

1305 Fermat vs. Pythagoras 0.58 758 1289

3075 Tic-Tac-Toe 0.42 756 1760

1786 Bridge Hands 0.4 754 1857

1780 Code 0.36 753 2044

2447 RSA 0.21 751 3478

2766 Laserbox 0.56 750 1328

1738 An old Stone Game 0.26 748 2860

2683 Ohgas' Fortune 0.61 748 1212

3509 Rotating Rings 0.38 747 1937

2030 The Secret Number 0.34 743 2180

2956 Repeatless Numbers 0.42 743 1761

1894 Alternative Scale of Notation 0.36 740 2025

1909 Marbles on a tree 0.5 740 1479

1914 Cramer's Rule 0.23 737 3074

2044 Weather Forecast 0.32 736 2238

2188 Cow Laundry 0.64 732 1127

3158 Kickdown 0.45 732 1626

3416 Crossing 0.46 731 1583

2458 Rigging the Bovine Election 0.44 730 1657

3365 Cylinder 0.42 730 1722

2803 Defining Moment 0.45 729 1596

3742 Equivalent Polynomial 0.28 729 2600

2619 Delta-wave 0.47 728 1521

2068 Nim 0.56 727 1285

3042 Grazing on the Run 0.4 726 1811

1174 Contact 0.3 725 2381

2283 Different Digits 0.26 724 2687

2258 The Settlers of Catan 0.65 720 1102

2111 Millenium Leapcow 0.37 719 1917

3297 Open Source 0.41 719 1717

1927 Area in Triangle 0.53 714 1331

2577 Interpreter 0.34 713 2068

3519 Minimal Backgammon 0.58 713 1212

2261 France '98 0.63 712 1116

3488 Arne Saknussemm 0.53 711 1317

3699 miniSQL 0.29 711 2391

1187 陨石的秘密 0.35 710 2019

1806 Manhattan 2025 0.53 710 1332

2904 The Mailboxes Manufacturers Problem 0.71 709 986

3208 Apocalypse Someday 0.46 709 1527

2939 Flavius Josephus Reloaded 0.38 708 1843

2215 Parliament 0.66 707 1058

1722 SUBTRACT 0.43 705 1631

3326 Analyzing Login/Logout Records 0.48 705 1453

3622 Gourmet Grazers 0.36 704 1955

1471 Triangles 0.36 702 1914

1959 Darts 0.57 702 1218

3656 Rock Skipping 0.4 701 1728

3328 Cliff Climbing 0.37 700 1888

2934 Automatic Correction of Misspellings 0.3 699 2321

3653 Here We Go(relians) Again 0.42 696 1631

2464 Brownie Points II 0.35 695 1967

2912 Rochambeau 0.35 695 1974

3458 Colour Sequence 0.62 692 1103

3501 Escape from Enemy Territory 0.27 692 2510

3399 Product 0.24 691 2849

1870 Bee Breeding 0.41 690 1665

2023 Choose Your Own Adventure 0.4 690 1684

2686 Traveling by Stagecoach 0.33 690 2086

2694 A Simple Poker Game 0.48 690 1429

1332 Finding Liars 0.44 689 1535

1430 Binary Stirling Numbers 0.38 688 1795

2620 Minimal coverage 0.3 688 2276

1678 I Love this Game! 0.38 687 1782

1744 Elevator Stopping Plan 0.33 687 2049

3103 Cutting a Block 0.49 687 1377

2265 Bee Maja 0.64 684 1064

2400 Supervisor, Supervisee 0.28 682 2424

2351 Time Zones 0.27 681 2445

2410 Simple Computers 0.32 681 2072

1784 Huffman's Greed 0.59 679 1144

2166 Heapsort 0.54 679 1256

1868 Antiarithmetic? 0.5 677 1352

2527 Polynomial Remains 0.56 677 1198

1629 Fillword 0.52 676 1284

2274 The Race 0.2 676 3256

3724 Find the parameter 0.2 676 3262

1244 Slots of Fun 0.57 675 1167

1314 Finding Rectangles 0.37 675 1810

2882 Food Cubes 0.24 674 2708

3154 Graveyard 0.51 674 1318

3162 Walking Race 0.24 674 2774

1188 Gleaming the Cubes 0.53 673 1262

3003 Spiderman’s workout 0.38 673 1759

3645 Smeech 0.26 673 2536

2375 Cow Ski Area 0.27 672 2402

2471 Bullshit Bingo 0.34 671 1951

3761 Bubble Sort 0.32 671 2093

2569 Etaoin Shrdlu 0.52 670 1286

3251 Big Square 0.24 668 2769

1319 Pipe Fitters 0.44 667 1485

2275 Flipping Pancake 0.44 667 1490

3785 The Next Permutation 0.73 667 908

3654 Electronic Document Security 0.59 662 1112

3398 Perfect Service 0.48 661 1365

1677 Girls' Day 0.2 660 3226

2986 A Triangle and a Circle 0.22 660 2919

4011 Automated Telephone Exchange 0.52 660 1260

2751 Saving Endeavour 0.56 656 1155

2832 How Many Pairs? 0.36 655 1804

1992 Jack 0.33 649 1936

2539 Division 0.26 648 2437

3265 Problem Solving 0.4 648 1583

2323 PERMS 0.49 647 1309

3040 Allowance 0.41 647 1570

1977 Odd Loving Bakers 0.33 642 1934

2558 Genetic Code 0.53 642 1197

1809 Regetni 0.37 640 1687

1175 Starry Night 0.38 638 1671

3339 Team Arrangement 0.25 638 2473

2256 Artificial Intelligence? 0.48 637 1302

1687 Buggy Sat 0.44 636 1415

2334 Simple prefix compression 0.47 635 1331

1935 Journey 0.38 634 1656

3419 Difference Is Beautiful 0.3 633 2048

3172 Scales 0.25 632 2451

1930 Dead Fraction 0.31 631 2007

2846 The Bank of Kalii 0.42 630 1486

3400 Dropping the stones 0.35 630 1761

1728 A flea on a chessboard 0.32 629 1911

1899 Farmer Bill's Problem 0.25 629 2437

3601 Tower of Hanoi 0.34 629 1838

3762 The Bonus Salary! 0.26 628 2391

1472 Instant Complexity 0.34 627 1816

3725 I know the k-th integer 0.21 627 2908

1763 Shortcut 0.32 626 1949

2847 The Cubic End 0.48 626 1291

2587 Airline Hub 0.32 621 1905

2849 brainf*ck 0.37 621 1639

1417 True Liars 0.3 620 2037

3702 Chessman 0.42 619 1463

3139 Balancing the Scale 0.39 617 1560

1715 Hexadecimal Numbers 0.27 616 2271

1297 Supermarket 0.38 615 1593

1432 Decoding Morse Sequences 0.41 615 1484

3566 Building for UN 0.44 615 1396

1770 Special Experiment 0.33 613 1815

2982 Time Travel 0.15 611 4030

2397 Spiderman 0.38 610 1604

2711 Leapin' Lizards 0.39 608 1528

1794 Castle Walls 0.36 607 1677

2003 Hire and Fire 0.27 607 2194

3449 Geometric Shapes 0.42 607 1432

3784 Running Median 0.49 607 1235

1312 Numerically Speaking 0.58 606 1033

2047 Concert Hall Scheduling 0.45 606 1346

3214 Heap 0.21 606 2785

1759 Garland 0.44 604 1357

2659 Bomb Game 0.43 604 1399

2850 Stacking Cylinders 0.54 604 1102

1776 Task Sequences 0.28 603 2136

3369 Grocery store 0.39 602 1509

1022 Packing Unit 4D Cubes 0.31 601 1917

3337 Expression Evaluator 0.3 601 1945

3658 Artificial Lake 0.33 601 1802

2674 Linear world 0.22 600 2684

3327 Cut the Cake 0.38 600 1566

1586 Three Sides Make a Triangle 0.15 599 3751

3388 Japanese Puzzle 0.28 599 2091

2194 Stacking Cylinders 0.53 598 1126

3124 The Bookcase 0.3 598 1967

1572 Automatic Editing 0.46 597 1288

1929 Calories from Fat 0.52 597 1147

2705 Overflowing Bookshelf 0.55 597 1080

3141 Distant Galaxy 0.31 597 1910

3921 Destroying the bus stations 0.32 592 1827

2867 Where Are My Genes 0.44 590 1336

2415 Hike on a Graph 0.43 588 1355

2504 Bounding box 0.41 587 1417

2005 Blackjack 0.27 582 2095

2744 Atomic Car Race 0.48 580 1198

2964 Tourist 0.41 579 1411

2989 All Friends 0.27 579 2092

1169 Packing Rectangles 0.54 578 1064

1069 The Bermuda Triangle 0.47 577 1211

1826 The Best Farm 0.31 577 1830

2426 Remainder 0.18 577 3073

1907 Work Reduction 0.35 576 1630

3587 The Biggest Cake 0.17 576 3282

2758 Checking the Text 0.21 574 2628

1849 Two 0.49 572 1161

2380 Sales Report 0.29 570 1928

2463 Bungee Jumping 0.44 565 1275

1642 Stacking Cubes 0.39 564 1439

1414 Life Line 0.73 563 768

2358 Queens in peaceful positions 0.47 563 1179

1048 Follow My Logic 0.28 562 1950

1855 Mint 0.35 561 1581

2438 Children's Dining 0.13 561 4197

2444 Partition a Matrix 0.26 560 2085

2961 Sylvester construction 0.46 560 1206

2189 Romeo Meets Juliet 0.45 559 1223

2296 Map Labeler 0.32 559 1716

2958 Pizza delivery 0.42 558 1313

2977 Box walking 0.26 558 2092

3590 The shuffle Problem 0.32 558 1696

2152 Fire 0.5 557 1114

2496 Military Recruit 0.48 557 1144

3038 Flying Right 0.35 557 1580

3072 Robot 0.34 557 1631

3710 Christmas Game 0.31 557 1791

1351 Number of Locks 0.48 556 1136

3597 Polygon Division 0.52 556 1056

2566 Bound Found 0.32 555 1688

3073 Spam 0.57 555 964

3269 Building A New Barn 0.32 555 1725

1569 Myacm Triangles 0.57 554 966

3343 Against Mammoths 0.32 554 1726

3371 Flesch Reading Ease 0.29 551 1880

2284 That Nice Euler Circuit 0.31 550 1770

2660 War on Weather 0.57 550 955

1583 Choose Your Words Carefully 0.3 549 1796

2827 Auto-Calculation Machine 0.32 549 1687

2475 Any fool can do it 0.37 548 1462

1119 Start Up the Startup 0.24 545 2184

2167 Irrelevant Elements 0.24 544 2209

2331 Water pipe 0.25 544 2093

3357 Oreon 0.26 544 2039

3504 Obfuscation 0.2 544 2643

3638 Moogle 0.45 544 1205

3594 Escort of Dr. Who How 0.24 541 2222

1676 What time is it? 0.39 540 1376

2354 Titanic 0.25 539 2132

3380 Bridges 0.28 539 1867

1727 Advanced Causal Measurements (ACM) 0.34 538 1541

3674 Super Assassin 0.22 538 2394

3991 Seinfeld 0.45 538 1174

3065 Stargates 0.22 537 2381

1987 Distance Statistics 0.31 535 1681

3782 Equal Sum Partitions 0.72 535 737

1078 Gizilch 0.38 534 1384

3657 Haybale Guessing 0.27 534 1954

2550 Zipf's Law 0.3 531 1763

3195 Generalized Matrioshkas 0.29 531 1821

2859 A rectangle 0.24 530 2154

3513 Let's Go to the Movies 0.22 528 2393

3842 An Industrial Spy 0.39 527 1320

4046 Sightseeing 0.21 527 2480

2132 Cow Math 0.34 526 1524

2715 Paint Mix 0.33 525 1590

3729 Facer’s string 0.29 525 1754

1771 Elevator Stopping Plan 0.33 524 1584

2541 Binary Witch 0.36 524 1442

2645 Boastin' Red Socks 0.24 524 2121

3168 Barn Expansion 0.25 524 2023

3027 Base equality 0.62 521 833

3801 Crazy Circuits 0.82 521 633

1693 Counting Rectangles 0.52 520 990

1859 The Perfect Symmetry 0.38 519 1333

1289 The Cat in the Hat 0.34 517 1482

2302 Traditional BINGO 0.48 516 1062

3359 Wordfish 0.5 515 1018

2279 Mr. Young's Picture Permutations 0.5 514 1017

1096 Space Station Shielding 0.35 513 1433

2176 Folding 0.37 513 1354

2943 The Cow Doctor 0.33 513 1514

1896 Code Formatting 0.35 512 1438

2568 Decode the Tree 0.4 512 1269

3055 Digital Friends 0.46 511 1092

3105 Expectation 0.49 511 1023

1591 M*A*S*H 0.52 510 963

2932 Coneology 0.17 510 2981

2269 Friends 0.46 509 1083

2530 Tetris Alphabet 0.4 508 1253

2614 Old Wine Into New Bottles 0.3 508 1665

2359 Questions 0.36 506 1376

3376 Finding Palindromes 0.17 506 2830

3731 Escape 0.31 506 1611

1071 Illusive Chase 0.44 505 1125

3344 Chessboard Dance 0.36 505 1377

2595 Min-Max 0.22 504 2198

3393 Lucky and Good Months by Gregorian Calendar 0.32 504 1531

2131 Key Insertion 0.25 503 1990

2890 Matrix Multiplication 0.31 503 1615

1241 Knockout Tournament 0.62 502 806

1292 Will Indiana Jones Get There? 0.27 502 1828

1482 It's not a Bug, It's a Feature! 0.37 500 1320

1874 Trade on Verweggistan 0.29 499 1707

3602 Typographical Ligatures 0.45 498 1104

1285 Combinations, Once Again 0.33 497 1488

2015 Permutation Code 0.44 497 1126

3476 A Game with Colored Balls 0.16 497 3062

1205 Water Treatment Plants 0.6 495 822

1882 Stamps 0.35 495 1406

3316 Snakes on a Plane 0.37 495 1311

3605 Sheryl's Circuit I 0.41 495 1193

3852 String LD 0.54 494 901

3303 Halls 0.28 493 1733

1708 Game 0.33 492 1485

2435 Navigating the City 0.54 492 902

3066 Maximum 0.6 490 808

1092 Farmland 0.38 489 1268

1997 Word Puzzle 0.44 489 1090

1392 Ouroboros Snake 0.49 488 984

2920 Mine Map 0.47 488 1017

2280 Amphiphilic Carbon Molecules 0.33 487 1447

2712 Netiquette 0.32 487 1493

1918 Ranking List 0.28 486 1676

1400 Complicated Expressions 0.32 485 1502

3231 FlashGet 0.16 485 2918

1398 Complete the sequence! 0.51 484 945

1879 Tempus et mobilius Time and motion 0.59 484 812

2254 Globetrotter 0.33 484 1438

2698 Servicing DVD Requests 0.3 484 1599

3456 Frobenius 0.5 484 953

3585 Accumulation Degree 0.24 484 1976

1644 To Bet or Not To Bet 0.31 482 1521

2609 Ferry Loading 0.28 482 1675

3092 Non-divisible 2-3 Power Sums 0.49 482 982

3925 Minimal Ratio Tree 0.36 482 1307

4047 Garden 0.35 482 1367

1566 Haiku Review 0.63 481 763

2466 Pairsumonious Numbers 0.5 481 957

2693 Chocolate Chip Cookies 0.25 481 1914

2737 Swamp Things 0.33 481 1434

1761 Easy Task 0.34 480 1385

2500 Pia's Party 0.24 480 1930

3317 Stake Your Claim 0.37 480 1291

2165 Gunman 0.36 479 1317

2171 Amusing Numbers 0.39 479 1205

1093 Formatting Text 0.23 478 2054

1396 Simple Arithmetics 0.25 478 1911

3413 RPG 0.33 478 1426

3098 Frugal Search 0.47 477 1003

1808 Quadratic Residues 0.33 476 1426

3131 Cubic Eight-Puzzle 0.33 476 1422

2232 New Stone-Forfex-Cloth Game 0.4 475 1172

1501 Word-Search Wonder 0.38 474 1239

2174 Decoding Task 0.45 474 1050

4044 Score Sequence 0.38 474 1244

1660 Princess FroG 0.41 473 1140

2784 Buy or Build 0.42 473 1124

2493 Rdeaalbe 0.24 472 1908

2836 Rectangular Covering 0.27 471 1725

3765 Xiang Hex 0.5 471 926

1263 Reflections 0.41 470 1135

1480 Optimal Programs 0.36 470 1299

2490 Pimp My Ride 0.3 470 1564

3408 The Domino Principle 0.26 470 1805

2605 Simple game on a grid 0.52 469 897

2831 Can We Build This One? 0.37 466 1239

3736 Snipe the Sniper 0.36 465 1281

1103 Maze 0.4 464 1157

1765 November Rain 0.21 462 2135

4045 Power Station 0.39 462 1162

1610 Quad Trees 0.5 460 909

2898 Entertainment 0.17 460 2604

3465 Battle 0.24 460 1864

1991 Turning in Homework 0.44 459 1030

3060 Make it Manhattan 0.42 459 1073

2257 Balancing Bank Accounts 0.47 458 969

2116 Death to Binary? 0.3 457 1487

3904 Sky Code 0.3 456 1482

2671 Jimmy's Bad Day 0.32 455 1387

2786 Keep the Customer Satisfied 0.38 455 1183

3546 Sea battle 0.36 453 1240

1245 Programmer, Rank Thyself 0.37 452 1196

1618 Decorations 0.44 452 1009

3109 Inner Vertices 0.26 450 1718

3184 Finicky Grazers 0.27 449 1625

1293 Duty Free Shop 0.39 448 1138

3099 Go Go Gorelians 0.6 448 736

3863 Business Center 0.4 447 1102

1237 The Postal Worker Rings Once 0.63 445 701

3483 Loan Scheduling 0.53 445 826

2050 Searching the Web 0.21 444 2031

2276 Model Rocket Height 0.57 444 773

1137 The New Villa 0.32 443 1347

3314 Plaque Pack 0.46 443 943

1058 The Gourmet Club 0.3 442 1464

3401 String reduction 0.32 442 1342

2703 Maximum Area Covered by Rectangles 0.44 441 992

2952 Election 0.47 441 934

2658 Song 0.27 439 1602

1973 Software Company 0.42 438 1020

2133 Cow Imposters 0.26 437 1638

1231 The Alphabet Game 0.39 436 1105

2732 Countdown 0.33 436 1287

3786 Adjacent Bit Counts 0.82 435 525

1217 FOUR QUARTERS 0.45 434 950

3179 Corral the Cows 0.44 432 967

3593 Sea Base Exploration 0.27 432 1573

2937 Dihedral Groups 0.32 430 1336

3499 Containers 0.26 430 1608

2045 Molecular Formula 0.51 428 831

3412 Ray 0.21 428 2034

3485 Highway 0.45 427 935

3227 Mountains 0.27 425 1571

1888 Crossword Answers 0.46 424 913

3361 Gaussian Prime Factors 0.32 424 1310

2679 Adventurous Driving 0.28 422 1504

3760 魔兽世界(修订版) 0.23 422 1782

1234 Ball Toss 0.45 421 923

2197 Jill's Tour Paths 0.29 420 1411

2862 Tornado! 0.37 420 1134

3970 Party 0.37 420 1116

2114 Boatherds 0.32 419 1280

3895 Cycles of Lanes 0.37 419 1124

1100 Dreisam Equations 0.2 418 2049

3516 Johnny Hates Math 0.12 418 3413

2720 Last Digits 0.2 417 2031

2928 A City of Skyscrapers 0.25 417 1618

2597 Line Segment Erase 0.28 416 1460

3290 WFF 'N PROOF 0.49 416 840

1291 This Sentence is False 0.43 415 962

1025 Department 0.23 414 1761

3631 Cuckoo Hashing 0.34 414 1203

2511 The Top Shelf 0.29 413 1418

3739 Special Squares 0.27 413 1476

2692 Australian Voting 0.26 411 1545

2721 Suit Distribution 0.64 409 636

3783 Balls 0.7 408 578

1513 Scheduling Lectures 0.43 406 936

2637 WorstWeather Ever 0.2 406 1960

3503 Summits 0.36 406 1127

2118 Firepersons 0.45 405 900

1349 Coding of Permutations 0.43 404 930

2515 Birthday Cake 0.38 404 1046

3576 Language Recognition 0.26 403 1499

3790 Recursively Palindromic Partitions 0.73 403 547

3222 Edge Pairing 0.38 402 1047

2514 Ridiculous Addition 0.21 401 1887

2161 Chandelier 0.39 400 1009

2267 From Dusk till Dawn or: Vladimir the Vampire 0.31 399 1287

2642 The Brick Stops Here 0.3 398 1312

3068 "Shortest" pair of paths 0.38 398 1022

3462 Lucky Light 0.39 398 1017

2433 Landscaping 0.43 396 916

1568 Find the Winning Move 0.49 395 796

1931 Biometrics 0.39 395 994

1492 Up and Down Sequences 0.59 394 662

1747 Expression 0.62 394 628

2611 Gas Station Numbers 0.3 394 1292

3025 Rings 0.35 394 1109

3355 Boundary Points 0.17 394 2214

3541 Given a string… 0.21 393 1828

1965 Cube Root 0.27 392 1420

2815 Context-Free Clock 0.37 392 1045

3431 Texture Tile 0.23 391 1670

2043 Area of Polygons 0.39 390 980

2571 Global Roaming 0.52 390 744

3484 Showstopper 0.29 390 1328

1391 Erdos Numbers 0.32 387 1175

3923 Ugly Windows 0.3 387 1270

1912 A highway and the seven dwarfs 0.18 386 2115

1924 The Treasure 0.18 386 2107

3229 The Best Travel Design 0.26 385 1476

3333 Co-workers from Hell 0.3 385 1263

1620 Phone Home 0.5 384 764

2714 Random Walk 0.18 384 2037

1648 Countryside Highway 0.3 383 1245

2172 Bricks 0.3 383 1241

3112 Digital Biochemist Circuit 0.43 383 885

3492 Knapsack II 0.24 382 1550

2740 Book Replacement 0.46 381 824

2793 Cactus 0.28 381 1327

3452 Railway Transportation 0.46 381 818

1624 This Takes the Cake 0.51 380 731

1683 Puzzlestan 0.31 380 1206

2146 Confusing Login Names 0.34 380 1104

1030 Rating 0.22 377 1659

2596 Dice Stacking 0.25 377 1503

3747 Scout YYF II 0.24 377 1525

1819 Disks 0.23 376 1598

1853 Cat 0.24 376 1512

1515 Street Directions 0.53 375 696

3156 Interconnect 0.34 375 1083

3217 Eugenics 0.34 375 1078

3467 Cross Counting 0.28 375 1331

3907 Build Your Home 0.59 375 631

3713 Transferring Sylla 0.23 374 1576

2706 Connect 0.32 372 1134

3523 The Morning after Halloween 0.2 372 1830

3535 A+B 0.45 372 816

2469 Stack 'em Up 0.39 371 948

1481 The Die Is Cast 0.4 370 909

1757 Binary Search 0.37 370 980

3212 Rescue Alice 0.24 370 1533

2790 Consecutive ones 0.64 369 571

4052 Hrinity 0.26 369 1418

3756 Chess Game 0.33 368 1104

1707 Sum of powers 0.48 367 760

3091 Triangular N-Queens Problem 0.44 366 830

3789 Binary Clock 0.69 366 528

2921 Knights of the Round Table 0.25 365 1417

3182 The Grove 0.47 365 769

3684 Physics Experiment 0.35 365 1031

1337 A Lazy Worker 0.33 364 1077

2199 Rate of Return 0.43 364 829

2906 Moving Pianos 0.36 363 990

3056 The Bavarian Beer Party 0.36 363 999

3197 Continuous Fractions 0.37 363 957

3271 Lilypad Pond 0.26 363 1377

3334 Connected Gheeves 0.36 363 995

1114 Chemical Reactions 0.52 362 687

1901 Hypertransmission 0.24 362 1482

2467 Snow Clearing 0.44 362 807

3057 Evacuation 0.25 362 1415

1104 Robbery 0.38 361 926

3004 Subway planning 0.26 361 1339

3015 Expected Difference 0.25 361 1394

3429 Geometry with a ruler 0.22 361 1637

2510 Tullia and Chocolate II 0.21 360 1661

2775 The Number of the Same BST 0.41 360 874

1148 Utopia Divided 0.43 359 820

1394 Railroad 0.33 359 1061

1827 A Bunch Of Monsters 0.37 358 947

2735 Reliable Nets 0.39 358 917

3905 Perfect Election 0.5 358 708

2473 Decorate the wall 0.38 357 939

3459 Projects 0.44 357 802

1647 One-move checkmate 0.23 356 1484

3016 K-Monotonic 0.33 354 1047

2512 Chessboard in FEN 0.42 353 829

2639 Necklace Decomposition 0.38 353 908

2966 A safe way 0.19 352 1799

3287 The Trip, 2007 0.36 352 961

2858 Crabbles 0.23 351 1465

3394 Route Planning 0.33 351 1052

3588 The Downloading Task 0.25 351 1367

3763 Tour in Wonder Land 0.3 350 1166

1362 Skew Binary 0.56 349 616

2857 Flipping Colors 0.52 349 665

2173 Cricket Field 0.4 348 864

3241 Object Clustering 0.22 348 1547

3524 Bug Hunt 0.5 348 692

2252 Equation Solver 0.57 345 602

1878 Jill's Bike 0.25 344 1353

2427 Smith's Problem 0.39 344 865

3209 From Pythagoras to … 0.12 344 2670

3757 Simple Distributed storage system 0.17 344 1971

2713 Tire Dimensions 0.4 342 843

2998 Hardware 0.36 342 937

3106 Flip and Turn 0.33 342 1014

3443 Team Work 0.3 342 1121

1832 连环锁 0.31 340 1084

2009 Moo University - Emergency Pizza Order 0.24 340 1402

2036 I Conduit! 0.18 340 1802

1418 Viva Confetti 0.42 339 804

2383 Circle Drawing 0.15 339 2196

2741 Colored Cubes 0.53 339 634

1460 Firefighters 0.32 338 1031

1487 Single-Player Games 0.28 337 1197

2180 Bale Figures 0.47 337 717

2588 Snakes 0.33 337 1003

2767 Bowlstack 0.4 337 829

3423 Automaton optimization 0.54 337 616

1778 All Discs Considered 0.37 335 889

3532 Resistance 0.32 335 1039

3609 Reset Sequence 0.38 335 872

1903 Jurassic Remains 0.33 334 989

2819 TN's Kingdom I - Establishment 0.17 333 1873

2980 Do it! 0.29 333 1120

3346 Treasure of the Chimp Island 0.44 333 741

1476 Always On the Run 0.5 331 653

1578 Instruens Fabulam 0.47 331 700

2330 Advanced ASCII Cubes 0.5 331 659

2384 Harder Sokoban Problem 0.41 331 800

1271 Nice Milk 0.24 330 1327

2647 Doublets 0.38 330 857

3554 Almost the shortest route 0.26 329 1262

1574 The Triangle Game 0.58 328 565

1795 DNA Laboratory 0.19 328 1687

1955 Rubik's Cube 0.5 328 646

4048 Chinese Repeating Crossbow 0.29 328 1096

1264 SCUD Busters 0.43 327 751

2547 No Tipping 0.37 327 868

3424 Better security 0.18 327 1764

1886 Borrowers 0.24 326 1330

2794 Double Patience 0.53 326 609

2809 It's My Derivative 0.35 325 926

1791 Paper Cutting 0.56 324 573

2168 Joke with Turtles 0.26 324 1224

1993 Caleidoscope 0.46 323 696

1327 Moving Object Recognition 0.6 322 534

2144 Leaky Cryptography 0.73 322 436

2970 The lazy programmer 0.25 322 1287

2870 Light Up 0.39 321 820

2944 Wild West 0.29 321 1089

3245 Sequence Partitioning 0.26 321 1205

1754 Buffer Manager 0.37 320 852

3029 Tour Guide 0.38 320 823

3196 Babylonian Roulette 0.61 320 521

3557 Map Generator 0.26 320 1197

3428 Formatting function 0.13 319 2294

2445 Squares 0.38 318 836

1409 77377 0.37 316 845

1885 Uncompress 0.34 316 923

1916 Rat Attack 0.32 316 987

3534 Escape of Life and Death 0.12 316 2537

1173 Bar Codes 0.35 315 891

3360 Take a Walk 0.22 315 1425

3754 模拟Modbus协议 0.44 315 707

1259 The Picnic 0.27 314 1123

2615 Suffidromes 0.21 314 1451

3489 Knapsack I 0.29 314 1067

3977 Subset 0.17 314 1806

1735 A Game on the Chessboard 0.39 313 801

1682 Clans on the Three Gorges 0.5 312 612

2119 God of the Vile Baskers 0.33 311 932

2697 A Board Game 0.67 311 460

2805 Pegs 0.38 311 812

1097 Roads Scholar 0.37 310 831

1302 Blue Gene, Jr. 0.66 310 468

2086 Land Division Tax 0.44 310 701

2628 Table Legs 0.39 310 794

1072 Puzzle Out 0.27 309 1117

3711 Mayan Pyramid 0.16 309 1873

2630 Security Panel 0.35 308 879

2725 Finding Treasure 0.2 308 1493

3021 e-Coins 0.49 308 619

3200 Babel Towers 0.29 308 1042

3533 Light Switching Game 0.59 308 519

1619 EKG Sequence 0.46 307 664

2598 Match Throwing Game 0.31 306 987

3000 Frogger 0.33 306 922

3471 Integral Roots 0.13 306 2273

2143 Make a Sequence 0.61 304 493

2695 Rick the Persistent Gnu 0.41 304 738

1266 Cover an Arc. 0.37 303 804

1943 Hall of Fountains 0.37 302 812

2414 Phylogenetic Trees Inherited 0.61 301 487

1872 A Dicey Problem 0.33 300 893

2088 Long Night of Museums 0.21 300 1370

3688 Cheat in the Game 0.31 300 955

2303 Russian Dolls 0.25 299 1194

2899 Fortune at El Dorado 0.25 299 1160

3633 Copying DNA 0.36 299 819

1685 Color Tunnels 0.53 298 562

2652 Ferry Loading III 0.32 298 923

1353 Color Change of Go Game Pieces 0.64 297 461

1229 Wild Domains 0.33 296 893

1522 N-Credible Mazes 0.54 296 546

3246 Game 0.15 296 1955

2432 Around the world 0.35 295 820

1052 Plato's Blocks 0.4 294 732

1736 Block Town 0.4 293 727

1752 Advertisement 0.37 293 775

2759 Distributing tasks 0.23 293 1262

3288 Mall Mania 0.31 293 916

1262 Input 0.43 292 675

1718 River Crossing 0.4 292 714

2600 Geometrical dreams 0.55 292 527

3539 Elevator 0.26 292 1094

2522 Partitioning for fun and profit 0.3 291 947

3409 Broken line 0.16 291 1714

1086 Unscrambling Images 0.4 290 719

2340 Memory management 0.41 290 702

2883 Points 0.32 290 887

2200 A Card Trick 0.39 289 737

1139 Cat and Mouse 0.3 288 938

1968 Booklets 0.36 288 798

2651 So you want to be a 2n-aire? 0.68 287 417

1282 庆典的日期 0.12 286 2381

1938 California Jones and the Gate to Freedom 0.41 286 688

2672 Hotkeys 0.2 286 1373

3123 Ticket to Ride 0.47 286 603

2461 Magic Bitstrings 0.44 285 644

3058 Decompression 0.49 285 576

2520 DNA Sequence Alignment 0.12 284 2344

3567 Cactus Reloaded 0.31 284 905

1777 Vivian's Problem 0.35 283 791

3726 Windy's ABC 0.44 283 629

1420 Spreadsheet 0.47 282 600

2901 Hotel 0.32 282 866

1304 World's Worst Bus Schedule 0.35 281 782

3082 'Roid Rage 0.3 281 919

2292 Optimal Keypad 0.5 280 557

1709 Crossword 0.3 279 904

3028 Shoot-out 0.31 279 875

1388 Hinge Node Problem 0.67 278 411

3643 Friend or Foe? 0.29 278 945

3719 Art of Balance 0.31 278 882

2266 Quadtree 0.32 277 858

3102 Bee Garden 0.24 277 1130

4001 Xiangqi 0.26 277 1032

2357 Labyrinth 0.5 276 547

2670 The Sorcerer's Stone 0.16 276 1722

2953 Nash Equilibrium 0.57 276 483

2946 The Warehouse 0.22 275 1245

3708 Recurrent Function 0.26 275 1041

3215 Median of Lines 0.2 274 1344

2089 Magic Trick 0.63 272 428

2317 SHAKE 0.49 272 555

1371 Tin Cutter 0.35 271 767

1684 Dynamic Declaration Language (DDL) 0.26 271 1021

2169 Kingdom of Magic 0.27 271 997

3797 Tiling a Grid With Dominoes 0.68 271 398

1857 To Europe! To Europe! 0.34 270 787

1996 The Highest Profits 0.46 270 581

2122 Japan Plotter Driver 0.45 270 592

3205 Ikki's Story II - War with TN 0.3 270 889

3291 Cousins 0.36 269 747

1168 The Circle 0.34 268 769

1613 Cave Raider 0.3 268 870

1116 Library 0.33 267 794

2489 Line Segments 0.17 267 1556

3493 Chessboard Puzzle 0.5 267 525

3787 Convex Hull of Lattice Points 0.62 267 425

1055 BULK MAILING 0.28 266 926

1489 Egyptian Multiplication 0.27 266 956

3035 Random Walking 0.32 266 810

2206 Magic Multiplying Machine 0.34 265 758

2691 Request for Proposal 0.46 265 570

1680 Fork() Makes Trouble 0.65 264 402

2848 Kindergarten Graduation 0.4 264 658

1074 Parallel Expectations 0.31 262 832

1429 Alice and Bob 0.28 262 926

1710 Magic of David Copperfield 0.45 262 570

3911 Internet Service Providers 0.48 261 534

1729 Jack and Jill 0.26 260 997

1277 Beer Land 0.47 259 542

1348 Computing 0.14 259 1738

1720 SQUARES 0.38 259 674

3472 Holey Square Tiling 0.3 259 850

3741 Number System Converter 0.21 259 1225

3137 Enjoyable Commutation 0.27 257 940

1588 Reverse Roman Notation 0.36 256 698

2382 Radio Coverage 0.26 256 963

2802 Plinko 0.47 256 542

2066 Minimax Triangulation 0.31 255 820

2290 House Numbers 0.25 253 986

3908 Quick answer 0.32 253 784

2868 Computer DJ 0.24 252 1011

2938 Economic Phone Calls 0.34 252 732

2625 Coupons 0.59 251 421

2760 End of Windless Days 0.18 251 1350

3482 ‘JBC’ 0.21 251 1144

2633 Funny Games 0.22 250 1129

3163 King of Fighters 0.18 249 1327

1081 You Who? 0.35 248 699

1438 One-way Traffic 0.31 248 784

3043 Walk the Talk 0.42 248 582

4022 ASCII Area 0.43 248 565

2791 Area 51 0.21 247 1146

3201 Little Quilt 0.33 247 745

1214 "Accordian" Patience 0.44 246 559

3542 History of Football 0.34 246 705

3550 AT – sequence 0.38 246 642

3448 Roman Expressions 0.46 245 527

1633 Gladiators 0.49 244 494

2856 Medals 0.3 244 813

1790 Base Numbers 0.35 243 678

2052 Fun Game 0.23 243 1056

2341 Spell checker 0.33 243 724

3220 Context-Free Languages 0.27 243 878

3402 Add a queen 0.28 243 860

1529 Shipping Routes 0.55 242 440

2211 Photograph 0.69 242 350

3188 Cellphones 0.37 242 652

3434 Terrarium 0.27 242 875

3817 Robot Challenge 0.36 242 671

1395 Cog-Wheels 0.12 241 1954

2474 European railroad tracks 0.28 241 847

2889 Unique Solution 0.23 241 1024

3010 The Genome Database of All Space Life 0.3 241 798

3649 Typesetting 0.41 241 576

1238 Arbitrage 0.43 240 552

2957 Planet Hunting 0.44 240 541

3001 Gallup 0.51 240 463

3959 Alignment of Code 0.35 240 679

1537 Identifying Legal Pascal Real Constants 0.36 239 648

1662 CoIns 0.32 239 738

3266 Cow School 0.29 239 805

1433 Exchanges 0.53 238 448

2053 Square 0.26 238 904

2733 The Game of Efil 0.39 238 609

3803 Repeated Substitution with Sed 0.42 238 557

2854 Educational Journey 0.48 237 491

1339 poker card game 0.31 236 755

1890 Switching Channels 0.56 236 421

3530 A Modular Arithmetic Challenge 0.13 236 1797

1672 Fully Diversified Sequences of Sets 0.51 235 459

1998 Lloyd Fifteen Puzzle 0.38 235 614

3053 Bowling 0.28 235 814

1818 ATP 0.34 234 675

2032 Square Carpets 0.34 234 679

2108 Lazy Pianist 0.16 234 1418

2745 Network Mess 0.42 234 555

3814 Museum Guards 0.2 234 1124

1172 Street Race 0.21 233 1068

1356 Grandpa's Other Estate 0.52 233 443

1697 The Erythea Campaign 0.37 232 619

3063 Sherlock Holmes 0.31 232 733

1539 Evaluating Simple C Expressions 0.43 231 532

3595 Full Steiner Topologies 0.39 231 590

1344 Tree Size Problem 0.56 230 405

3178 Roping the Field 0.3 230 764

3897 Maze Stretching 0.27 230 837

2022 Syntax Included 0.27 229 839

3135 Polygons on the Grid 0.34 229 663

3441 Vacation Rentals 0.25 229 883

3927 Priest John's Busiest Day 0.34 229 670

1153 SAFE 0.24 228 935

1387 The Constraint Densest Submatrix 0.23 228 974

1621 Polly Nomials 0.47 228 479

2148 Color the Map 0.32 228 692

2321 GYM 0.58 228 392

3218 Alignments 0.16 228 1425

3992 Tiles of Tetris, NOT! 0.28 228 802

2326 Major Scales 0.59 227 381

2462 Cutting a polygon 0.29 227 778

2729 Robocode 0.18 227 1231

1219 L-I-N-G-O: LINGO 0.22 226 1011

1366 Word 0.26 226 840

1377 Good Approximation Problem 0.23 226 976

2205 Self-Replicating Numbers 0.33 226 665

2345 Central heating 0.45 224 487

2974 Convex area 0.46 223 478

1336 The K-League 0.34 222 643

1831 不定方程组 0.31 222 712

1900 Game 0.3 222 736

3598 PopKart 0.23 222 945

3778 An Odd Award Rule 0.36 222 606

3894 System Engineer 0.42 222 519

1340 The Longest Detour Problem 0.34 221 632

1601 Pizza Anyone? 0.36 221 610

2338 Basic 0.24 220 885

2103 Jackpot 0.2 218 1048

3802 Cubist Artwork 0.65 218 331

2040 Translations 0.37 217 581

2494 Acid Text 0.24 217 893

3606 Sheryl's Circuit II 0.42 217 507

1181 Bus Terminals 0.36 216 591

1646 Double Trouble 0.46 216 460

1880 Variable Radix Huffman Encoding 0.32 215 665

2048 Monster Trap 0.26 215 798

2178 Heroes Of Might And Magic 0.26 215 807

3005 Exploding CPU 0.43 214 491

3573 I18n 0.29 214 731

1530 Slurpys 0.59 213 360

2669 Explore the Pirate's Cave 0.19 213 1102

1622 Pushing Boxes 0.54 212 390

1898 Entropy 0.23 212 886

2997 IVXLCDM 0.26 212 809

2124 Crankshaft 0.25 211 830

2561 Language Cardinality 0.23 211 912

3909 Lucky numbers 0.32 211 656

3993 Not So Flat After All 0.36 211 586

1453 Delta Encoding and Decoding 0.3 210 700

2736 Square Count 0.31 210 666

3148 ASCII Art 0.31 210 659

3538 Domestic Networks 0.28 210 745

3746 Teacher YYF 0.38 210 548

2574 Saskatchewan 0.25 209 805

2589 Snap 0.39 209 525

3285 Point of view in Flatland 0.25 209 804

2843 Cutting Cake 0.27 208 763

2792 Brackets Removal 0.34 207 593

3989 A hard Aoshu Problem 0.5 207 406

1382 The Proper Key 0.39 206 518

2217 Secretary 0.36 206 563

3922 A simple stone game 0.51 206 403

1290 Grandpa's Rubik Cube 0.64 205 318

2875 In Defence of a Garden 0.36 205 565

2994 Failing Roads 0.43 205 469

1612 The Geodetic Set Problem 0.36 204 564

3121 The SetStack Computer 0.21 204 965

3712 Edges and More Edges 0.23 204 878

3910 GCD Determinant 0.54 204 375

1602 Zip 0.21 203 955

2102 Incredible! Impossible! 0.3 203 662

2582 Finding Nemo 0.46 203 432

3882 Stammering Aliens 0.28 203 702

2094 Angry Teacher 0.18 202 1068

2678 Mothy 0.24 202 820

2708 Time to Graduate 0.42 201 473

1242 Plugged In 0.54 200 368

3771 World Islands 0.25 200 771

3914 DuLL 0.71 199 277

1649 Market Place 0.29 198 678

2580 The Door/Key Problem 0.31 198 627

2702 Can a Complicated Program Go Wrong? 0.27 198 729

3776 Passing the Message 0.54 198 364

2592 Standard Point System 0.26 197 753

1076 Bowl 0.22 196 878

1110 Double Vision 0.53 196 363

2285 The Floor Bricks 0.43 196 453

2476 Game schedule required 0.33 196 592

2743 Mobile Computing 0.32 196 611

3405 Convex hull 0.23 195 843

2834 Where Are You? 0.27 194 702

3832 Posters 0.26 194 733

1215 Gondwanaland Telecom 0.33 193 573

1415 Map of Ninja House 0.34 193 554

3607 Distribution of Toys 0.16 193 1193

2170 Lattice Animals 0.36 192 520

2690 Yahtzee 0.36 192 522

2900 Griddy Hobby 0.36 192 529

4014 Dice 0.43 192 439

1267 Fence 0.23 191 801

3110 Jenny's First Exam 0.26 191 711

3553 Task schedule 0.62 191 304

3572 Hanoi Towers 0.5 191 378

1506 Substitution Cipher 0.18 190 1050

3293 Rectilinear polygon 0.09 190 1935

1073 The Willy Memorial Program 0.31 189 604

1688 Dolphin Pool 0.46 189 405

2064 Pipes 0.49 189 383

1599 Station Balance 0.39 188 481

2308 Dearboy's Puzzle 0.16 188 1122

2327 Dumb Bones 0.58 188 324

2333 Beach cut 0.21 188 891

1307 Mapping the Route 0.41 187 447

2035 Hit or Miss 0.4 187 458

3967 Ideal Path 0.14 187 1330

1854 Evil Straw Warts Live 0.27 186 672

2270 Quadtree II or: Florida Jones strikes back 0.52 186 351

1444 Parallelepiped walk 0.23 184 774

1800 Magic Trick 0.22 184 805

3934 Queue 0.44 184 418

2335 Temple of Dune 0.32 183 567

2525 Text Formalization 0.18 183 982

2754 Similarity of necklaces 2 0.28 183 639

2925 Kick-Tipp 0.38 183 475

2979 RSI 0.49 183 367

3410 Split convex polygon 0.29 183 618

3850 Simple Polygon 0.31 183 580

3869 Headshot 0.53 183 340

1255 Floors 0.41 182 441

1669 It's Logical 0.3 182 603

3284 Eventually periodic sequence 0.27 182 655

3873 Trick or Treat 0.27 182 668

1211 Traffic Lights 0.44 181 404

1381 Secret Code 0.36 181 502

1792 Hexagonal Routes 0.42 181 427

2156 National Day Celebration 0.43 181 413

2746 Bingo 0.39 181 463

3119 Friends or Enemies? 0.41 181 432

3426 Doors and... more doors 0.39 181 453

3968 Jungle Outpost 0.24 181 747

1457 Lord of the Ring 0.33 180 534

3470 Walls 0.15 180 1139

1462 Random Walk 0.24 179 721

1768 Hang or not to hang 0.25 179 714

2439 Disconnect the Orange!? 0.43 179 410

1367 Time 0.32 178 553

1370 Gossiping 0.42 178 422

1518 Problem Bee 0.51 178 346

1535 Forgetful 0.24 178 739

3815 The Ninja Way 0.24 178 725

3987 Computer Virus on Planet Pandora 0.19 178 919

1075 University Entrance Examination 0.29 177 593

1514 Metal Cutting 0.42 176 418

2372 D++ Again 0.34 176 510

2518 Little guys' game 0.3 176 571

2881 Wiping Words 0.39 176 446

2933 Explaining the Stock Market 0.24 176 708

4002 Alice's mooncake shop 0.31 176 566

1378 Power Cable Problem 0.51 175 339

1461 Binary Polynomials 0.43 175 401

1508 Skyscraper Floors 0.21 175 810

1640 Poly-polygonal Numbers 0.36 175 475

1895 Bring Them There 0.25 175 699

2896 Changing Phone Numbers 0.2 175 841

4049 Chess 0.25 175 687

3309 Unlucky Luke! 0.27 174 639

3562 “Roman” corridor 0.36 174 479

3900 The Robbery 0.1 174 1679

1098 Robots 0.32 173 530

1227 RoboContest 0.32 173 530

2220 Treasure Hunters 0.58 173 295

3990 Fermat Point in Quadrangle 0.24 173 700

2519 Cutting Necklace 0.13 172 1281

2529 Queuing at the doctors 0.35 172 488

2789 Pixel Shuffle 0.41 172 414

3350 Bowling for Numbers++ 0.24 172 695

1524 Cowculations 0.67 171 253

1576 Colorville 0.56 171 302

1813 Overlapped Shapes 0.3 171 565

2644 Maze 0.19 171 889

3451 Money Money Money, Must Be Funny 0.39 171 431

3324 Lucas-Lehmer Test 0.22 170 769

3514 The Writers' Club 0.22 170 764

1341 The Strongest Subchains 0.23 169 707

1374 Crosswords 0.37 169 445

2548 Subway 0.48 169 345

2880 Fixing Codes 0.17 169 972

4016 Flat 0.54 169 309

1628 Deduction 0.29 168 576

2222 Deeper Blue 0.37 167 447

3847 Moving to Nuremberg 0.28 167 583

2861 Cycle with 6 vertices 0.39 166 419

3454 Hypertheseus 0.57 166 289

3732 Paint Me Less 0.19 166 866

3853 Painting 0.26 166 616

2563 Demerit Points 0.36 165 450

3893 Hard-working Student 0.35 165 463

1494 Sunrise 0.43 164 373

1507 Commedia dell' arte 0.4 164 409

2233 GAME AGAIN! 0.3 164 536

3418 Quadratic Functions 0.22 164 734

3548 Restoring the digits 0.3 164 536

3727 Newton’s Method 0.15 164 1073

3831 Open-air shopping malls 0.34 164 480

1550 Treadmill 0.53 163 305

3023 Submarines 0.44 163 364

1206 Servers 0.36 162 449

1310 Nonstop Travel 0.33 162 481

1440 Varacious Steve 0.46 162 352

2090 Two-Stacks Solitaire 0.24 162 662

2434 Waves 0.41 162 395

3033 Traveling Salesman 0.41 162 387

1134 Hexagon 0.51 161 313

2055 Kid's Problem 0.23 161 697

3453 Soccer Tournament 0.2 161 793

1213 Roman Numerals 0.59 160 271

1545 Galactic Import 0.49 160 321

2483 Greatest Common Subtree 0.45 160 354

3306 Busy Airport 0.27 160 577

3391 The Bug Sensor Problem 0.1 160 1476

1334 Two Mountaineers 0.42 159 371

1549 Bright Bracelet 0.23 159 666

1570 Exchange Rates 0.51 159 308

1749 Lock Manager 0.41 159 379

1805 Friends 0.26 159 606

2011 Primary X-Subfactor Series 0.45 159 350

3351 Gerrymandering 0.26 159 600

1726 Tango Tango Insurrection 0.29 158 536

2026 As the Crow Flies 0.52 158 299

3319 Dragon Slayer Qualification Exam 0.19 158 819

3996 Air Strike 0.32 158 484

1478 Island of Logic 0.31 157 496

1608 Banal Tickets 0.11 157 1417

3813 Euclid 0.25 157 609

3985 Knight's Problem 0.17 157 880

3323 Bloxorz II 0.19 156 781

1133 Stars 0.2 155 769

1495 LED Test 0.44 155 350

1774 Fold Paper Strips 0.28 155 552

1810 Covering 0.16 155 966

2477 Help the problem setter 0.39 155 394

1355 Selecting the Optimal Teaching Fiends 0.14 154 1043

3296 Rinse 0.3 154 507

3855 Blast the Enemy! 0.56 154 271

1767 Which is Next 0.31 153 491

2523 ASCII Labyrinth 0.47 153 322

2557 Fold 0.44 153 341

3341 Calculating Taxi Fare 0.34 153 438

3502 Flight Safety 0.2 153 729

3920 RIPOFF 0.65 153 235

3926 Parade 0.23 153 661

3997 Stock Chase 0.24 153 615

1758 Frontier 0.42 152 357

1783 Fractran 0.32 152 470

2145 Pathological Paths 0.54 152 280

3526 The Teacher’s Side of Math 0.26 152 584

3647 Tournament 0.22 152 665

3862 Asteroids 0.31 152 481

1667 Peg Game 0.25 151 604

2618 Cube in Labyrinth 0.27 151 556

2667 Barber's problem 0.22 151 658

3963 Evacuation Plan 0.22 151 657

1196 Twofive 0.39 150 384

1216 Simulation Wizardry 0.64 150 234

2347 Equations 0.21 150 714

2866 Optical Fiber 0.46 150 322

3788 Interior Points of Lattice Polygons 0.68 150 220

1343 Rooted Trees Isomorphism 0.3 149 483

2727 Special Judge 0.19 149 761

4000 National Treasures 0.29 149 507

2020 MisLED 0.27 148 529

2202 Strange Graph 0.21 148 704

3455 Cheesy Chess 0.37 148 391

3805 Separate Points 0.37 148 391

4012 Black Square 0.19 148 768

1162 Building with Blocks 0.41 147 357

3865 Database 0.19 147 748

1538 Extrapolation Using a Difference Table 0.57 146 256

1851 Map 0.22 146 657

2742 Organize Your Train 0.28 146 520

2825 Perfect Permutation 0.45 146 324

3395 Shift Cipher 0.15 146 947

3642 Carpool 0.22 146 660

2701 Lapux the Floating Island 0.33 145 428

2822 TN's Kingdom IV - Collapse 0.23 145 605

3430 Pizza schedule 0.35 145 411

3849 Settlers of Catan 0.51 145 279

1121 Algernon's Noxious Emissions 0.46 144 308

3644 Gangs 0.33 144 427

3718 Facer's Chocolate Dream 0.37 144 388

3835 Columbus's bargain 0.28 144 510

1359 Spacecraft Malfunction 0.35 143 405

1407 e-Market 0.37 143 385

3886 Baby's Blocks 0.5 143 283

3986 Math teacher's homework 0.56 143 251

2164 Find the Border 0.28 142 503

3995 Hop — Don’t Walk! 0.18 142 758

3506 Walk 0.32 141 436

3779 Single CPU, multi-tasking 0.3 141 469

1713 Divide et unita 0.35 140 393

1796 Extra Terrestrial PISA Test 0.42 140 333

2332 One is good, but two is better 0.41 140 341

2757 Beautiful Numbers 0.21 140 647

1652 Holey Cloth 0.36 139 377

2412 Equidistance 0.46 139 299

2765 Declaration of Content 0.3 139 457

3743 LL’s cake 0.26 139 529

1070 Deformed Wheel 0.22 138 622

1352 Quantity of White Mice 0.29 138 465

1558 Board Silly 0.52 138 264

1623 Squadtrees 0.36 138 375

2616 Origami 0.5 138 276

3120 Sudoku 0.46 138 299

3521 Geometric Map 0.42 138 327

3583 Text Message Formatting 0.14 138 955

3999 Kind of a Blur 0.21 138 644

1368 Puzzle 0.25 137 542

1551 Data Mining? 0.57 137 237

1983 Name the Crossing 0.44 137 305

2213 Code 0.63 137 215

2320 SHEET 0.41 137 329

2816 Right-Hand Rule 0.28 137 475

2830 Max Sequence II 0.14 137 972

3447 Calendar of Events 0.22 137 602

3495 Bitwise XOR of Arithmetic Progression 0.21 137 640

3881 Happy Telephones 0.64 137 213

3962 Dome of Circus 0.22 137 605

4003 Bob’s Race 0.32 137 426

2149 Inherit the Spheres 0.39 136 341

2604 Preparing an article 0.25 136 538

4020 John's Inversions 0.38 136 353

4023 Binary Encoding 0.46 136 293

1712 Flying Stars 0.36 135 370

2931 Procrastination 0.25 135 527

1123 For the Porsche 0.36 134 364

1197 Depot 0.31 134 428

2873 Apply a Cold Compress 0.41 134 325

3392 Pitcher Rotation 0.25 134 524

3717 Decrypt the Dragon Scroll 0.29 134 461

3845 Fractal 0.4 134 327

3892 RSA Factorization 0.27 134 490

3940 Grey Area 0.5 134 263

1301 The Umbrella Problem: 2054 0.5 133 265

2783 On Storing Clothes 0.28 133 469

2844 Sum and Product 0.12 133 1093

3022 The Uxuhul Voting System 0.4 133 326

1557 Mapmaker 0.68 132 192

3988 Selecting courses 0.33 132 390

1616 Harmonic Periods 0.37 131 349

2162 Document Indexing 0.18 131 723

2532 Burned Calendar 0.32 131 405

1532 Mixed Numbers 0.18 130 712

1803 Box Art 0.14 130 901

1822 Fence2 0.42 130 306

2913 Fly Monkey 0.13 130 993

2915 Zuma 0.06 130 2110

3115 Energy × Delay 0.44 130 293

1108 Split Windows 0.55 129 232

1288 Sly Number 0.4 129 321

2281 Link and Pop -- the Block Game 0.24 129 535

2319 COMPRESS 0.27 129 471

2638 Kingdom 0.28 129 445

3558 Map Generator returns (MG-II) 0.49 129 261

1295 I hate SPAM, but some people love it 0.46 128 276

2808 Artificial Strife 0.37 128 344

1772 New Go Game 0.18 127 678

1817 Traffic Jam 0.47 127 268

2134 Traffic Lights 0.22 127 556

2343 Airline company 0.33 127 381

1399 Direct Visibility 0.45 126 278

2158 A Difficult Mathematics Problem 0.4 126 314

2204 Commuter train 0.31 126 405

2798 Hardwood Cutting 0.39 126 319

2919 Traveling Queen Problem 0.24 126 510

3166 Jumping Frog 0.3 126 418

3703 Intuition of Escape 0.19 126 648

1296 Noise Effect 0.55 125 225

1335 Digital Onion 0.29 125 428

1425 Enigmatic Travel 0.64 125 195

1525 Hi-Q 0.81 125 154

1725 BALL 0.56 125 220

3870 Inspection 0.22 125 557

1369 Append 0.29 124 416

2061 Pseudo-random Numbers 0.29 124 423

2071 Auctions R Us 0.3 124 411

2098 Ellipse 0.16 124 752

1653 Compacting Stickers 0.37 123 331

2731 ACM(ACronymMaker) 0.13 123 942

2813 Pasting Strings 0.35 123 349

3024 The Gossiping System 0.44 123 279

3821 Clickomania 0.22 123 545

1294 Not Too Convex Hull 0.3 122 396

1373 L-system 0.12 122 1000

2988 Function Approximation 0.27 121 446

3079 Enigmatologically Cruciverbalistic 0.19 121 631

1257 Cross-stitch. 0.36 120 333

1957 Beehives 0.32 120 364

2554 Fixed Partition Contest Management 0.4 120 293

2869 P-Networks 0.5 120 236

3206 Ikki's Story III - Rescue frkstyc! 0.19 120 623

1124 Oh, Those Achin' Feet 0.29 119 404

1435 Gates 0.48 119 243

1825 Young 0.35 119 331

2214 Regions 0.53 119 222

3315 Roofing It 0.34 119 341

3527 Generalized Connect Four 0.19 119 608

3773 String-Matching Automata 0.62 119 189

3808 Malfatti Circles 0.5 119 236

1202 Family 0.18 117 626

1561 Another Puzzling Problem 0.33 117 347

2058 Word Encoding 0.42 117 278

2129 Invariant Polynomials 0.39 117 294

2648 CDVII 0.31 117 374

2855 Go 0.47 117 248

3795 The Two Note Rag 0.7 117 165

2268 Euro Cup 2000 0.53 116 218

2364 Faucet Flow 0.28 116 402

2764 Unequalled Consumption 0.26 116 433

1869 Test 0.5 115 230

3198 Polygon Encoder 0.18 115 638

3289 Moonshine 0.19 115 591

1138 Ships 0.14 114 799

1638 A number game 0.22 114 504

1999 Quorf 0.27 114 413

3738 Card Game 0.18 114 620

3854 Another Brick in the Wall 0.54 114 211

1235 Galactic Breakup 0.45 113 248

1559 Equation Elation 0.49 113 230

1773 Outernet 0.36 113 313

2820 TN's Kingdom II - Construction 0.14 113 793

2874 A Baron Landscape 0.37 113 303

2310 Cubic Tick-Tack-Toe 0.13 112 846

1645 BSP Trees 0.67 111 164

3500 Youth Hostel Dorm 0.27 111 406

1303 Byte Me! 0.47 110 233

3442 Baseball 0.36 110 299

1203 Timetable 0.31 109 347

1544 A Puzzling Problem 0.32 109 338

2865 ICPC Strikes Again 0.21 109 507

1278 BOAT 0.32 108 332

2322 PLANKS 0.34 108 315

3147 John's Canonical Difference Bound Matrices 0.14 108 738

3829 Seat taking up is tough 0.37 108 291

3941 Expected Allowance 0.5 108 216

1358 Housing Complexes 0.41 107 255

1403 Hotline 0.4 107 261

1793 Storehouse 0.38 107 276

1846 System 0.35 107 300

2107 Gear Profiles 0.29 107 357

2147 Dice Puzzle 0.45 107 234

3223 Football Game 0.14 107 742

3236 Michelle's Evaluation 0.07 107 1491

1689 3002 Rubbery 0.47 106 221

1748 Computer Dialogue 0.41 106 254

1280 Game 0.47 105 222

1714 The Cave 0.37 105 281

1863 Subnumber 0.11 105 878

2344 Nikifor 0.53 105 196

3577 Global Positioning System 0.08 105 1240

3818 Mosaic 0.36 104 282

1497 Molecules 0.72 103 143

2448 A New Operating System 0.1 103 1002

2543 Spreadsheet 0.26 103 385

3330 Dr. Podboq or: How We Became Asymmetric 0.32 103 320

3792 Area of Polycubes 0.41 103 247

1342 Tag Trees 0.36 102 281

1448 Cube 0.34 102 297

2073 Doggone Moles 0.35 102 287

3569 Equation 0.2 102 488

1571 Loansome Car Buyer 0.39 101 257

3379 Alphabet 0.29 101 343

1261 Huffman Trees 0.15 100 632

1867 Treequivalence 0.28 100 347

2212 Cavern 0.49 100 204

2238 Computer Basketball Game 0.47 100 211

3008 Hexerpents of Hexwamp 0.32 100 312

3547 Cube evolvent 0.27 100 361

3971 Scales 0.46 100 213

4028 GCD Guessing Game 0.4 100 246

1812 Zuma Game 0.21 99 451

1866 Help! 0.29 99 339

1913 Cocktails 0.19 99 506

1960 Time Planner 0.23 99 420

2700 Space Travel 0.16 99 594

3721 Darkterror's Combos 0.16 99 596

1437 Chat Rooms 0.17 98 565

3313 The Mastermind Master's Mind 0.42 98 229

3912 Up and Down 0.22 98 429

1199 Left labyrinths 0.18 97 529

2877 Chambers Ceramic Conundrum 0.44 97 217

4007 Flood-it! 0.37 97 256

1223 DEHUFF 0.37 96 259

1249 Oil Pipeline 0.33 96 288

1858 Interesting Maze Game 0.31 96 303

1967 Alibaba 0.13 96 711

2422 The Wolves and the Sheep 0.24 96 400

3655 Guard 0.41 96 231

1756 Domino Puzzle 0.49 95 192

2841 Navigation Game 0.23 95 402

3118 Critical Route 0.36 95 258

3915 Black Vienna 0.4 95 237

1194 HIDDEN CODES 0.27 94 341

1311 Doing Windows 0.31 94 301

1431 Calendar of Maya 0.48 94 193

1585 Helping Florida 0.23 94 406

1841 Meadow 0.18 94 510

2198 Boundaries on 0.34 94 271

2622 Convex hull 0.22 94 422

2716 Open and Close 0.2 94 468

2797 Guards 0.39 94 238

3149 Billing Tables 0.23 94 407

3248 Soldier 0.21 94 431

3574 Japanese Writing 0.59 94 158

3774 Elune’s Arrow 0.34 94 272

1372 FORCAL 0.39 93 234

1779 Boolean Logic 0.43 93 214

1897 Data Mining 0.27 93 344

2768 Pesky Heroes 0.29 93 314

3998 Land Division 0.36 93 254

2852 Model Rocket Height 0.54 92 169

3305 Surveillance 0.34 92 267

3389 Kennings 0.15 92 605

3878 Haunted Graveyard 0.22 92 409

1446 Moscow Time 0.26 91 350

2037 Roll Playing Games 0.2 91 438

2113 Agents 0.33 91 275

2807 Bingo! 0.47 91 193

3898 Software Industry Revolution 0.31 91 287

1109 Index Generation 0.38 90 232

1627 Experiment "X": Explosions Expected 0.15 90 575

2297 Balanced Chemical Equations 0.39 90 229

3677 Chemical Weighing 0.15 90 568

3846 Mountain Road 0.36 90 244

1224 PICTURE PUZZLE 0.32 89 272

1834 线段处理 0.13 89 640

1982 Water Tank 0.46 89 193

3336 ACM Underground 0.33 89 266

3571 Game 0.32 89 278

1526 Call Forwarding 0.56 88 155

1527 Making the Grade 0.68 88 128

2298 Great Circle 0.3 88 291

2717 Hour Glass 0.25 88 346

2835 Sunzi's Problem 0.13 88 647

3794 Extended Normal Order Sort 0.22 88 399

3860 Fruit Weights 0.26 88 332

3874 Working at the Restaurant 0.42 88 208

1963 Cave Exploration 0.25 87 341

3902 The Bad Number 0.37 87 235

4026 Eve 0.28 87 309

1115 Statistical Trouble 0.41 86 206

1412 Equals are Equals 0.19 86 438

2067 Young, Poor and Busy 0.52 86 165

2804 Jetpack Sniper 3000 Fragfest Extreme 0.51 86 166

1136 Pendulum 0.34 85 247

1876 The Letter Carrier's Rounds 0.28 85 294

1933 A Brief Gerrymander 0.32 85 260

2842 N-dimension Matching 0.55 85 154

2968 Necklace 0.15 85 561

2990 Board Game 0.33 85 252

3097 Falling Ice 0.33 85 251

3819 Coverage 0.22 85 386

2747 Shy Polygons 0.27 84 310

3477 System of Linear Equations 0.14 84 573

3759 Simple Distributed computing system 0.35 84 234

1272 Synchronous Design 0.28 83 288

1705 Generational Replacement 0.32 83 254

2634 Nullary Computer 0.38 83 214

2687 Earth Observation with a Mobile Robot Team 0.29 83 284

3396 A Scheduling Problem 0.33 83 248

3555 Cocktail 0.2 83 397

3689 Equations 0.08 83 971

3827 Facer is learning to swim 0.26 83 311

1402 The Game of Master-Mind 0.47 82 174

1424 Diamonds 0.26 82 307

2306 Genealogical Research 0.3 82 268

2307 Treasure Map 0.4 82 205

2788 Black Box 0.53 82 152

3165 Traveling Trio 0.19 82 419

3238 A Coin Game 0.25 82 319

3520 Lowest Pyramid 0.26 82 315

1937 Balanced Food 0.26 81 303

2203 Patience 0.61 81 132

2416 Return of the Jedi 0.44 81 182

2468 Adventures in Moving - Part V 0.27 81 294

3578 Card Game 0.13 81 588

1212 Eeny Meeny 0.37 80 215

1421 Peter's Calculator 0.24 80 333

3011 Secrets in Shadows 0.21 80 368

3479 RoBa Has a Second Art Gallery! 0.15 80 521

3889 Fractal Streets 0.37 80 213

3969 K-Graph Oddity 0.15 80 521

1209 Calendar 0.14 79 534

1233 Street Crossing 0.21 79 370

1397 The Bulk 0.54 79 145

1615 Merging Sequences Problem 0.17 79 464

3381 Confectionery 0.32 79 243

1865 Practice 0.66 78 117

1893 Monitoring Wheelchair Patients 0.18 78 418

2221 Frogger's For Dinner 0.54 78 143

3586 The missionaries and cannibals 0.28 78 276

3730 Ebbinghaus method 0.21 78 370

4018 High security 0.26 78 300

2300 Up the Ante 0.33 77 231

3964 Factorial Simplification 0.36 77 211

1592 Postscript 0.28 76 271

2902 Intercepting Missiles 0.44 76 169

3382 Deciphering 0.19 76 381

3599 Pumping Lemma 0.34 76 223

4006 Genghis Khan the Conqueror 0.38 76 199

1764 Dice Contest 0.05 75 1426

1824 TwoFour 0.39 75 192

3151 Driving Directions 0.29 75 252

3924 Tornado 0.27 75 270

1554 Tournament Brackets 0.38 74 190

2995 Go Endgame 0.3 74 242

3397 Click the Lines 0.41 74 179

3766 Hexagon Coin Toss 0.26 74 277

1441 Table 0.24 73 297

2177 Ghost Busters 0.37 73 195

3515 Moving Sticks 0.33 73 215

3679 The Delivery of Control 0.33 73 215

3704 Mover 0.15 73 465

3868 Garbling Game 0.25 73 290

1643 Checker's Check 0.44 72 162

2087 Petanque 0.4 72 176

2314 POJ language 0.19 72 378

2927 Constructing Roads 0.13 72 527

3059 Rummikub 0.4 72 179

3152 Exchange 0.22 72 317

3906 Lucky cities 0.18 72 389

4025 Dictionary Size 0.16 72 441

2324 Intellectual Property 0.5 71 142

3596 Illuminated Planet 0.25 71 282

2091 Zing Zhu's Oyster Farm 0.26 70 263

3108 Horn Clauses 0.18 70 377

3899 The Lucky Numbers 0.28 70 244

1798 Dory's Phonebook 0.26 69 265

3775 Chase 0.29 69 235

2219 Manifest Destiny 0.27 68 243

2534 Falling cards 0.23 68 287

3570 Fund Management 0.26 68 256

3791 Text Messaging Improvement? 0.32 68 208

1582 Which Way Do I Go? 0.15 67 421

1600 Centipede Collisions 0.26 67 257

2237 Can 1 Marine win 2 Zerglings? 0.15 67 421

2682 Tomato Automata 0.28 67 234

3568 Diver 0.51 67 130

3755 The Training of Chain Lightning 0.2 67 335

3809 Twenty Questions 0.38 67 172

1347 Triangle 0.29 66 226

1443 DEL command 0.32 66 206

1626 Chapayev 0.27 66 242

2315 Football Game 0.28 66 228

2542 Fool Game 0.29 66 221

2801 Knockdown 0.22 66 287

3127 Lineland's Airport 0.37 66 175

3820 XML 0.22 66 296

1766 Football 0.57 65 114

2655 Structural Equivalence 0.42 65 154

2779 Atom Bombs!? God! 0.17 65 381

3064 Payment System 0.47 65 137

1253 Markov Trains 0.22 64 287

1614 Space AI Bombs 0.23 64 272

1829 火力防护网 0.33 64 193

3552 Snatch! 0.3 64 208

1439 Rhombs 0.57 63 110

2235 Triangularize the Convex Hull 0.21 63 295

2428 Surface Reconstruction 0.41 63 152

2621 Parallelepiped 0.28 63 225

3240 Solution to the n2 − 1 Puzzle 0.17 63 362

3610 Maclaurin Series of Reciprocals 0.32 63 194

3811 Infected Land 0.29 63 214

3836 P2P File Sharing System 0.38 63 162

1490 Cabinets 0.25 62 248

3081 Core Wars 0.39 62 156

3584 Small Polynomial Factorization 0.24 62 257

3867 Funny Language 0.34 62 180

3929 Timer 0.31 62 198

1801 Formula Racing 0.29 61 205

2076 All Roads Lead to Albuquerque, er, Rome 0.19 61 311

2150 Crossing Prisms 0.36 61 165

2216 Roulette 0.28 61 215

2730 F1 Circuit Design 0.14 61 431

3919 Cell Towers 0.58 61 105

1541 Dart-a-Mania 0.44 60 136

1911 A Well-Formed Problem 0.15 60 391

3136 The Best Name for Your Baby 0.28 60 211

4005 Moles 0.13 60 446

2120 Herbalists 0.52 59 113

2277 Region Filling 0.16 59 352

2971 "Switchback" 0.23 59 249

1427 Get Them All 0.46 58 126

1449 Enigma 0.35 58 163

1542 DNA Translation 0.2 58 277

3142 Escape Plan 0.09 58 607

3556 Increasing subsequences 0.32 58 176

3706 System Test 0.3 58 192

3733 Shadow Area 0.15 58 378

3975 Shortcut 0.34 58 170

1413 GIGA Universe Cup 0.32 57 175

2025 Cubic Rube 0.28 57 203

2207 Intuitionistic Logic 0.11 57 489

2224 Missing Piece 2001 0.37 57 151

1447 Ambiguous Dates 0.4 56 137

2399 A Mayor Problem 0.33 56 169

2903 Joy of Mobile Routing 0.27 56 203

2905 Parallel Computer Simulator 0.25 56 219

3772 Baseball of Planet Pandora 0.45 56 124

3848 Room Assignments 0.35 56 158

3858 Hurry Plotter 0.53 56 105

3946 Search of Concatenated Strings 0.28 56 197

1875 Robot 0.31 55 177

2223 Get Out 'Da Way! 0.31 55 173

2278 Histology Assistant 0.35 55 157

3446 Catch the Bus! 0.38 55 144

3634 Circle of Debt 0.34 55 158

3804 Swimming Jam 0.49 55 112

3816 Pool Table 0.14 55 371

1246 Hilbert Curve Intersections 0.34 54 158

3329 Twirl Around 0.18 54 296

3603 Zen Puzzle Garden 0.24 54 217

3777 Snail Alice 0.35 54 154

3972 BF 0.22 54 242

1668 Taxation With Representation Overdone 0.26 53 200

2016 Ink Blots 0.26 53 200

2360 Trains 0.27 53 190

2814 Mobiles 0.23 53 227

2936 Construct the Wall Maze 0.08 53 611

3812 Block Game 0.1 53 482

4043 Remoteland 0.24 53 219

1641 Rational Approximation 0.42 52 122

1921 Paper Cut 0.2 52 252

2650 Spaghetti 0.35 52 148

1232 Microfiches 0.37 51 135

1333 Christmas Gifts 0.42 51 120

1533 Mystery 0.16 51 305

2770 Tantrix 0.64 51 79

2911 Simplified λ-evaluations 0.48 51 106

3353 Nuevo-Romano 0.09 51 529

3896 Multiprocessor Scheduling 0.44 51 115

2450 A New Kind of Chess 0.19 50 262

2755 Dominoes 0.26 50 186

3242 3-dimensional Musical Water-fence 0.3 50 163

3888 Dimensional Warp Drive 0.4 50 122

4050 Necklace 0.25 50 197

2294 Unfoldung 0.17 49 288

2811 Packing Dominoes 0.3 49 161

3549 GSM phone 0.14 49 328

3823 Decompressing in a GIF 0.31 49 155

3973 Highlights 0.49 49 100

1498 Matching Meetings 0.28 48 166

1919 Ship Journey 0.16 48 293

1956 Pumps and Pipes 0.28 48 168

2544 PreQueL 0.24 48 197

2972 Laser-Ball 0.36 48 132

3052 Geodes 0.38 48 125

4019 Immediate Delivery 0.33 48 145

4039 Guess the Numbers 0.45 48 105

3478 Undergraduate Instruction Evaluation 0.44 47 106

3559 Trigonometric optimization 0.09 47 491

4042 Regular Convex Polygon 0.38 47 122

1357 Afshung Pizza Delivery 0.37 46 122

1593 Radar Scopes 0.25 46 183

1594 Message Routing 0.59 46 77

1670 Obstructed Rook Circuits 0.25 46 181

1839 Cattle 0.18 46 255

2077 Balanced Budget Initiative 0.23 46 199

2093 Cutting Edge 0.26 46 173

2821 TN's Kingdom III - Assassination 0.14 46 307

2879 Vice City 0.19 46 236

2930 Dialing Dice 0.11 46 416

3387 Ideal Frame 0.31 46 147

3611 Minimum Weighted Perfect Fractional b-Matching 0.42 46 109

3769 Baseball on the Mercury 0.34 46 132

3942 Stopped Watches 0.65 46 70

3944 Spherical Mirrors 0.75 46 61

1464 Company 0.13 45 338

2753 Similarity of necklaces 0.14 45 301

2878 IOI Photos 0.22 45 202

3758 The story of three kingdoms XI 0.13 45 325

3960 Binary Operation 0.29 45 155

1902 Illumination 0.16 44 261

3825 Here's a Product Which Will Make You Tensor 0.18 44 240

4051 Aeroplane Chess 0.35 44 124

1483 Going in Circles on Alpha Centauri 0.5 43 86

1499 Supercomputer Selection, The Sequel 0.49 43 87

3701 Rubik's Cube: 0-1 Version 0.18 43 229

3866 Exclusive Access 2 0.43 43 100

3879 Slalom 0.22 43 190

3966 Hands of Poker 0.3 43 142

1510 Hares and Foxes 0.29 42 142

1512 Keeps Going and Going and ... 0.51 42 82

1807 Mayan Dates 0.44 42 94

3830 Ancient vending machine 0.29 42 143

1560 18 Wheeler Caravans (aka Semigroups) 0.56 41 72

1889 Package Pricing 0.08 41 456

2293 Hey, Pay Day! 0.35 41 114

2806 Janken Tactics 0.23 41 177

2885 Prince of Persia 0.26 41 155

3235 Super Knight 0.27 41 149

3490 Jumping Frogs 0.22 41 184

3824 Flipper 0.51 41 80

3843 Common Subexpression Elimination 0.09 41 440

3856 deltree 0.5 41 81

3887 The Pharaoh's Curse 0.17 41 232

3945 Traveling Cube 0.63 41 65

4041 Peer Review 0.45 41 91

1842 Parking 0.32 40 125

1884 Train Time 0.1 40 398

2099 Fool's Day 0.08 40 491

2824 Bohemian Rhapsody 0.11 40 352

2829 How Many Free Dimensions? 0.33 40 119

1268 Forests 0.25 39 155

1802 Ancient Plates 0.15 39 255

3116 MegaCheckers 0.29 39 134

3890 No Smoking, Please 0.21 39 184

3931 Classmates 0.54 39 71

1567 WIMP 0.42 38 90

1746 Loan 0.19 38 196

2423 The Parallel Challenge Ballgame 0.21 38 175

2916 The Wolves and the Sheep Plus 0.2 38 189

3031 Jezzball 0.47 38 80

3531 Alternating Sum of Digits 0.2 38 190

1908 Grid Speed 0.12 37 294

2024 Know When to Hold 'em 0.37 37 98

2617 Taxes 0.11 37 331

2776 Cheat at Math 0.2 37 181

2787 UFO Cubes in Roswell 0.17 37 217

2910 Downpayment 0.29 37 127

3019 Image Rotation 0.35 37 104

3560 Supersquare 0.2 37 185

3857 Solar Eclipse 0.27 37 136

3859 ACM Coalition 0.55 37 67

1445 Random number 0.33 36 109

1954 Warez Test 0.13 36 263

2072 GHOST 0.2 36 175

1393 Fold-up Patterns 0.57 35 61

1762 Bundling 0.44 35 78

2095 Beth Tableaux 0.23 35 149

2130 Jogging 0.09 35 383

2929 The Traveling Salesman 0.19 35 181

3054 High Spies 0.33 35 103

1428 Hermes' Colony 0.15 34 214

1500 Polygonal Puzzle 0.22 34 154

1516 Parallel Deadlock 0.54 34 62

1605 Horse Shoe Scoring 0.34 34 100

3529 Matrix Analysis 0.28 34 119

3834 Graph Game 0.16 34 206

3930 Elevator 0.24 34 141

1467 Symbolic Derivation 0.49 33 67

1479 MBone 0.33 33 99

2012 Triangle Cuts 0.2 33 160

3876 Darts 0.55 33 60

3901 The Computer Game 0.47 33 70

4008 Running relay 0.16 33 195

4040 Non-negative Partial Sums 0.13 33 247

1596 Gears on a Board 0.34 32 93

2851 No Fold'em Hold'em 0.34 32 92

3872 K-equivalence 0.24 32 129

3883 Penguin Bashing 0.29 32 109

1711 Puncher 0.31 31 100

2123 Artinals 0.12 31 245

1225 STRICTLY INSCRIBED SIMILAR TRIANGLES 0.31 30 95

1553 Fax Regions 0.3 30 97

1587 High and Dry 0.24 30 122

2839 Convex Hull and Triangle 0.13 30 218

2962 Who owns the Amiga? 0.35 30 84

3113 The Halting Problem 0.19 30 156

3575 Kingdom Partitioning 0.15 30 195

4037 Distributing Ballot Boxes 0.14 30 205

1210 City Directions 0.17 29 166

1534 Terrorist Attack 0.21 29 134

3851 Wormholes 0.15 29 188

3871 Java Certification 0.18 29 158

1883 Theseus and the Minotaur 0.19 28 142

2863 Mission Impossible 0.2 28 138

3153 Fool's Game 0.2 28 135

3591 Ants and Aphides 0.1 28 268

3793 Joe’s Triangular Gardens 0.68 28 41

3861 Royal Gems 0.14 28 187

1360 Blue x Red = Bang 0.13 27 200

3144 Guarding Zion 0.12 27 223

3545 K’ak’-u-pakal and Mayan Script 0.19 27 141

3798 Cave Crisis 0.24 27 109

3943 Digits on the Floor 0.51 27 52

3976 Kings 0.38 27 71

3826 Trip the Lights Fantastic 0.19 26 132

3875 Lights 0.24 26 108

1452 Signal Box 0.36 25 68

3473 Stochastic Finite State Automaton 0.26 25 94

3551 Putin-chess 0.2 25 123

1540 The Finite State Text-Processing 0.21 24 111

1891 Typesetting 0.1 24 228

1910 Adam's Genes 0.11 24 209

2517 Cover 0.15 24 159

3474 Ellipsoid 0.32 24 74

3491 Rotated Sky Charts 0.05 24 419

3564 Magic pyramid 0.17 24 134

3770 Baseball on the Mars 0.14 24 162

1361 JaWs 0.29 23 77

1814 Polynomial 0.07 23 288

3354 Connect the Dots 0.12 23 181

3651 Slink 0.33 23 69

3933 New Liquid 0.63 23 36

1820 Expression 0.0 22 2309

1871 Bullet Hole 0.06 22 335

2401 Street Polygon 0.1 22 209

3247 Robots 0.15 22 146

3828 Zombies VS Plants 0.18 22 119

3880 Routing 0.61 22 36

3143 False Perceptions 0.1 21 197

3799 Optimal Strategy for the ICPC 0.15 21 140

3807 Chemist’s Math 0.32 21 65

3822 Cover Up 0.29 21 72

3961 Cactus Revolution 0.11 21 187

4021 Kids Like Cakes 0.06 21 307

1630 Max Separation 0.4 20 49

2097 Drawing Windows 0.32 20 62

3089 Sign Message Formatting 0.26 20 76

3433 Road Accident 0.27 20 74

3540 Formula 0.27 20 74

3796 Spatial Concepts Test 0.66 20 30

3833 Hamlet's gambling 0.2 20 99

3937 Parlay Wagering 0.17 20 116

1881 Sail Race 0.29 19 64

2950 Nuclear Plants 0.04 19 446

2999 Matrix 0.15 19 122

3464 Approximations 0.05 19 334

3932 Matches 0.1 19 183

4010 Shadow 0.42 19 45

3403 "Bloody Mary" 0.02 18 672

4009 Porcelain Exhibitions 0.24 18 75

1994 Logic 0.5 17 34

3707 High-Dimensional Vector Correspondence 0.05 17 297

3884 Gearbox 0.51 17 33

3948 Common Polynomial 0.68 17 25

1346 Board of Directors Meeting 0.24 16 66

2884 ACM-Telecom 0.11 16 139

3234 The Kylin Den 0.17 16 94

3676 Tomorrow Genius 2008 0.25 16 62

3722 We're Going In 0.03 16 403

3877 Genetics 0.59 16 27

1843 Shire 0.13 15 110

1864 Funny Card Game 0.24 15 61

3935 Striking Ball 0.15 15 98

4038 Game, Set and Match 0.5 15 30

4034 Alphabet Soup 0.31 14 45

3745 Keep Contact 0.06 13 205

3918 A to Z Numerals 0.44 13 29

3949 Zigzag 0.32 13 40

2981 Deal of Fortune 0.06 12 178

3362 20-Four 0.13 12 89

3383 Equation 0.19 12 63

3466 Distance to the Prey 0.1 12 111

3563 Parabolic teleports 0.06 12 186

4004 My World Cup 0.4 12 30

2963 Lazy Evaluation 0.16 11 67

3496 Word Hyphenation 0.11 11 93

3885 Escape from the Minefield 0.28 11 39

3947 Top Spinning 0.52 11 21

1536 Trains 0.08 10 115

3457 Mineshaft 0.15 10 65

4031 Journey 0.06 10 146

3582 Last Hit 0.02 8 338

3806 Origami Through-Hole 0.36 8 22

3939 Extended Manhattan Distance 0.14 8 55

4013 Cube Coloring 0.04 8 176

3780 Tour Route 0.02 6 232

1345 Address Recovery 0.25 5 20

3810 Hobby on Rails 0.55 5 9

4024 Caption 0.07 5 63

4053 World of Goo 0.05 5 87

3161 Numerical Integration 0.01 4 363

3203 Incremental Python Parsing 0.05 4 74

1892 VTAS - Vessel Traffic Advisory Service 0.02 3 135

4035 Coin Collecting 0.05 3 55

1531 Trooper of Bam 0.01 2 170

3202 A Very Simple Compiler 0.04 2 45

4017 Galaxy Interconnection 0.03 2 59

4033 Lanes 0.04 2 49

4015 Electrification 0.04 1 25

4054 KINA Is Not Abbreviation 0.01 1 59

4027 Flights 0.0 0 39

4029 Huzita Axiom 6 0.0 0 20

4032 Kingdom Roadmap 0.0 0 183

4036 Cybercrime Donut Investigation 0.0 0 112ios

抓取程序：git

import time

import urllib2

from bs4 import BeautifulSoup

import sys, codecs

reload(sys)

sys.setdefaultencoding('utf-8')

# print sys.getdefaultencoding()

sys.stdout = codecs.getwriter('utf8')(sys.stdout)

sys.stderr = codecs.getwriter('utf8')(sys.stderr)

class Problem:

"""A problem on POJ with ID, Title, Ratio(AC, submit)"""

def __init__(self, ID, Title, Ratio, AC, submit):

self.ID = ID

self.Title = Title

self.Ratio = float(Ratio)

self.AC = int(AC)

self.submit = int(submit)

def getProblemList():

url = "http://poj.org/problemlist?volume={pagenum}"

problems = []

for pagenum in range(1, 32):

# print 'pagenum:', pagenum

soup = BeautifulSoup(urllib2.urlopen(url.format(pagenum = pagenum)).read())

rows = soup.find("table", { "class" : "a" }).find_all("tr", {"align" : "center"})

# print rows

for row in rows:

cells = [x.get_text() for x in row.find_all("td")]

# print cells

ID, Title, Ratio, AC, submit = cells[0], cells[1], float(cells[2].split("%")[0]) / 100, int(cells[2].split('(')[1].split('/')[0]), int(cells[2].split('(')[1].split('/')[1][:-1])

# print ID, Title, Ratio, AC, submit

problems.append(Problem(ID, Title, Ratio, AC, submit))

# rn = cells[0].get_text()

# print rn

time.sleep(3)

for problem in sorted(problems, key = lambda x : x.AC, reverse = True):

print problem.ID, problem.Title, problem.Ratio, problem.AC, problem.submit

def hardmode():

problems = []

with open('log.txt') as f:

for line in f:

fileds = line.split()

# print len(fileds), fileds

ID, Title, Ratio, AC, submit = fileds[0], ' '.join(fileds[1:-3]), fileds[-3], fileds[-2], fileds[-1]

problems.append(Problem(ID, Title, Ratio, AC, submit))

for problem in sorted(problems, key = lambda x : x.AC):

print problem.ID, problem.Title, problem.Ratio, problem.AC, problem.submit

if __name__ == "__main__":

hardmode()

hard模式：

4027 Flights 0.0 0 39

4029 Huzita Axiom 6 0.0 0 20

4032 Kingdom Roadmap 0.0 0 183

4036 Cybercrime Donut Investigation 0.0 0 112

4015 Electrification 0.04 1 25

4054 KINA Is Not Abbreviation 0.01 1 59

1531 Trooper of Bam 0.01 2 170

3202 A Very Simple Compiler 0.04 2 45

4017 Galaxy Interconnection 0.03 2 59

4033 Lanes 0.04 2 49

1892 VTAS - Vessel Traffic Advisory Service 0.02 3 135

4035 Coin Collecting 0.05 3 55

3161 Numerical Integration 0.01 4 363

3203 Incremental Python Parsing 0.05 4 74

1345 Address Recovery 0.25 5 20

3810 Hobby on Rails 0.55 5 9

4024 Caption 0.07 5 63

4053 World of Goo 0.05 5 87

3780 Tour Route 0.02 6 232

3582 Last Hit 0.02 8 338

3806 Origami Through-Hole 0.36 8 22

3939 Extended Manhattan Distance 0.14 8 55

4013 Cube Coloring 0.04 8 176

express