C++ | Leetcode C++题解之第389题找不同
题目：
题解：
class Solution {
public:char findTheDifference(string s, string t) {int ret = 0;for (char ch: s) {ret ^= ch;}for (char ch: t) {ret ^= ch;}return ret;}
};
题目：
题解：
class Solution {
public:char findTheDifference(string s, string t) {int ret = 0;for (char ch: s) {ret ^= ch;}for (char ch: t) {ret ^= ch;}return ret;}
};