Python | Leetcode Python题解之第367题有效的完全平方数
题目:
题解:
class Solution:def isPerfectSquare(self, num: int) -> bool:x0 = numwhile True:x1 = (x0 + num / x0) / 2if x0 - x1 < 1e-6:breakx0 = x1x0 = int(x0)return x0 * x0 == num
题目:
题解:
class Solution:def isPerfectSquare(self, num: int) -> bool:x0 = numwhile True:x1 = (x0 + num / x0) / 2if x0 - x1 < 1e-6:breakx0 = x1x0 = int(x0)return x0 * x0 == num