摘要:
题意: Implement int sqrt(int x). Compute and return the square root of x.(Medium) 分析: 二分搜索套路题,不能开方开尽的时候,取结果整数位。 注意:判定条件中,用x / mid == mid而不是 mid * mid == 阅读全文
posted @ 2016-09-21 22:56
wangxiaobao1114
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摘要:
题目: Given a non-negative number represented as an array of digits, plus one to the number. The digits are stored such that the most significant digit 阅读全文
posted @ 2016-09-21 22:53
wangxiaobao1114
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