摘要:
Given an integer n, return the number of trailing zeroes in n!. Example 1: Input: 3 Output: 0 Explanation: 3! = 6, no trailing zero. Example 2: Input: 阅读全文
摘要:
Reverse bits of a given 32 bits unsigned integer. Example: Input: 43261596 Output: 964176192 Explanation: 43261596 represented in binary as 0000001010 阅读全文
摘要:
Implement int sqrt(int x). Compute and return the square root of x, where x is guaranteed to be a non negative integer. Since the return type is an in 阅读全文