class Solution {
public:bool isPerfectSquare(int num) {
int subNum = 1;while (num > 0) {
num -= subNum;subNum += 2;}return num == 0;}
};
详细解决方案
367 https://leetcode-cn.com/problems/valid-perfect-square/
热度:66 发布时间:2023-10-13 02:39:55.0
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