power of two 只有一个比特
bool isPowerOfTwo(int n) { return n>0 && !(n&(n-1)); }
231. Power of Two https://leetcode.com/problems/power-of-...
原问题链接: https://leetcode.com/problems/power-of-two/Given a...
231. Power of Two 232. Implement Queue using Stacks 题目中要求...
231. 2的幂[https://leetcode-cn.com/problems/power-of-two/] ...
231. Power of Two 2 4 8 16 32 64 4 different ways to solv...
LeetCode 第 231 題:"Power of Two",相當單純的題目。 Given an integer...
技巧性非常强如果是2的幂次方 则有(x & (x-1) == 0)
Problem Given an integer, write a function to determine i...
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