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题目描述:public class Solution { public int MySqrt(int x) { if(x < 2){ return x; } if(x > int.MaxValue){ x = int.MaxValue; } var half = 46340; // Sqrt(int.MaxValue) for(var i = half; i >= 1; i--){ if(i * i == x){ return i; } if(i * i < x){ return i; } } return -1; } }
LeetCode-- Implement int sqrt(int x)
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原文地址:http://blog.csdn.net/lan_liang/article/details/50144615