leetcode69---Sqrt(x)
2017-12-02 20:53
555 查看
难度:easy
Implement
Compute and return the square root of x.
x is guaranteed to be a non-negative integer
思路: 两分法,看了很多code,貌似每次缩小范围的时候,都是low=mid +1,试过high =mid -1 或者 low =mid都不行,原因至今未知。
Implement
int sqrt(int x).
Compute and return the square root of x.
x is guaranteed to be a non-negative integer
思路: 两分法,看了很多code,貌似每次缩小范围的时候,都是low=mid +1,试过high =mid -1 或者 low =mid都不行,原因至今未知。
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