#-*- coding: UTF-8 -*- class Solution(object):    def hammingWeight(self, n):        if n<=0:return n        mid=[]        while True:            if n==0:break            n,mod=divmod(n,2)            mid.append(mod)        mid.reverse()        return…

题目描述 编写一个函数,输入是一个无符号整数,返回其二进制表达式中数字位数为 '1' 的个数(也被称为汉明重量). 示例 : 输入: 11 输出: 3 解释: 整数 11 的二进制表示为 00000000000000000000000000001011 示例 2: 输入: 128 输出: 1 解释: 整数 128 的二进制表示为 00000000000000000000000010000000 思路 思路一: 用Integer.bitCount函数统计参数n转成2进制后有多少个1 public…

lc 191 Number of 1 Bits 191 Number of 1 Bits Write a function that takes an unsigned integer and returns the number of '1' bits it has (also known as the Hamming weight). For example, the 32-bit integer '11' has binary representation 0000000000000000…

Number of 1 Bits Write a function that takes an unsigned integer and returns the number of ’1' bits it has (also known as the Hamming weight). For example, the 32-bit integer ’11' has binary representation 00000000000000000000000000001011, so the fun…

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 右移32次 计算末尾的1的个数 转成二进制统计1的个数 使用mask 日期 [LeetCode] 题目地址:https://leetcode.com/problems/number-of-1-bits/ Total Accepted: 88721 Total Submissions: 236174 Difficulty: Easy 题目描述 Writ…

Write a function that takes an unsigned integer and returns the number of ’1' bits it has (also known as the Hamming weight). For example, the 32-bit integer ’11' has binary representation 00000000000000000000000000001011, so the function should retu…

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Write a function that takes an unsigned integer and returns the number of ’1' bits it has (also known as the Hamming weight). For example, the 32-bit integer ’11' has binary representation 00000000000000000000000000001011, so the function should retu…

Problem: Write a function that takes an unsigned integer and returns the number of '1' bits it has (also known as the Hamming weight). For example, the 32-bit integer '11' has binary representation 00000000000000000000000000001011, so the function sh…

Write a function that takes an unsigned integer and returns the number of ’1' bits it has (also known as the Hamming weight). For example, the 32-bit integer ’11' has binary representation 00000000000000000000000000001011, so the function should retu…