摘要: Write a function that takes an unsigned integer and return the number of '1' bits it has (also known as the Hamming weight). Example 1: Input: 0000000 阅读全文
posted @ 2019-11-14 11:46 xuan_abc 阅读(118) 评论(0) 推荐(0)
摘要: Given an integer, write a function to determine if it is a power of two. Example 1: Input: 1 Output: true Explanation: 20 = 1 Example 2: Input: 16 Out 阅读全文
posted @ 2019-11-14 11:04 xuan_abc 阅读(81) 评论(0) 推荐(0)