The Hamming distance between two integers is the number of positions at which the corresponding bits are different. Given two integers x and y, calculate the Hamming distance. Note:0 ≤ x, y < 231. Example: Input: x = 1, y = 4 Output: 2 Explanation: 1…
这道题是LeetCode里的第461道题. 题目描述: 两个整数之间的汉明距离指的是这两个数字对应二进制位不同的位置的数目. 给出两个整数 x 和 y,计算它们之间的汉明距离. 注意: 0 ≤ x, y < 231. 示例: 输入: x = 1, y = 4 输出: 2 解释: 1 (0 0 0 1) 4 (0 1 0 0) ↑ ↑ 上面的箭头指出了对应二进制位不同的位置. 题目都暗示了使用位运算,然后把结果转换成二进制数. 解题代码: class Solution { public int h…
要求: 给定两个整数x和y,0 ≤ x, y < 231. 求x和y的汉明距离. Example: Input: x = 1, y = 4 Output: 2 Explanation: 1 (0 0 0 1) 4 (0 1 0 0) ↑ ↑ 思路: x,y异或,求结果种1的个数,二进制中1不能被2乘除,所以采用 %2 != 0 来计算1的次数.利用 >>右移位挨个判断. public class Solution { public int hammingDistance(int x, i…
题目描述 两个整数之间的汉明距离指的是这两个数字对应二进制位不同的位置的数目. 给出两个整数 x 和 y,计算它们之间的汉明距离. 注意: 0 ≤ x, y < 231. 示例: 输入: x = 1, y = 4 输出: 2 解释: 1 (0 0 0 1) 4 (0 1 0 0) ↑ ↑ 上面的箭头指出了对应二进制位不同的位置. 思路 思路一: 对两个数进行异或操作,位级表示不同的那一位为 1,统计有多少个 1 . 思路二: 使用 Integer.bitcount() 来统计 1 个的个数. 思…
The Hamming distance between two integers is the number of positions at which the corresponding bits are different. Given two integers x and y, calculate the Hamming distance. Note:0 ≤ x, y < 231. Example: Input: x = 1, y = 4 Output: 2 Explanation: 1…
The Hamming distance between two integers is the number of positions at which the corresponding bits are different. Given two integers x and y, calculate the Hamming distance. Note:0 ≤ x, y < 231. Example: Input: x = 1, y = 4 Output: 2 Explanation: 1…
The Hamming distance between two integers is the number of positions at which the corresponding bits are different. Now your job is to find the total Hamming distance between all pairs of the given numbers. Example: Input: 4, 14, 2 Output: 6 Explanat…
The Hamming distance between two integers is the number of positions at which the corresponding bits are different. Given two integers x and y, calculate the Hamming distance. Note:0 ≤ x, y < 231. Example: Input: x = 1, y = 4 Output: 2 Explanation: 1…
problem 461. Hamming Distance solution1: 根据题意,所求汉明距离指的是两个数字的二进制对应位不同的个数.对应位异或操作为1的累积和. class Solution { public: int hammingDistance(int x, int y) { ; ; i<; i++) { <<i))^(y&(<<i))) ans++; } return ans; } }; solution2: 两个数字异或之后,统计结果二进制中1的…
[Leetcode/Javascript] 461.Hamming Distance 题目 The Hamming distance between two integers is the number of positions at which the corresponding bits are different. Given two integers x and y, calculate the Hamming distance. Note: 0 ≤ x, y < 231. Exampl…
The Hamming distance between two integers is the number of positions at which the corresponding bits are different. Now your job is to find the total Hamming distance between all pairs of the given numbers. Example: Input: 4, 14, 2 Output: 6 Explanat…
package BitManipulation; //Question 461. Hamming Distance /* The Hamming distance between two integers is the number of positions at which the corresponding bits are different. Given two integers x and y, calculate the Hamming distance. Note: 0 ≤ x,…
The Hamming distance between two integers is the number of positions at which the corresponding bits are different. Given two integers x and y, calculate the Hamming distance. Note:0 ≤ x, y < 2^31. Example: Input: x = 1, y = 4 Output: 2 Explanation:…
传送门 Description The Hamming distance between two integers is the number of positions at which the corresponding bits are different. Given two integers x and y, calculate the Hamming distance. Note:0 ≤ x, y < 231. Example: Input: x = 1, y = 4 Output:…
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 Java解法 方法一:异或 + 字符串分割 方法二:异或 + 字符串遍历 方法三:异或 + 位统计 二刷 python解法 方法一:异或 + 字符串count 方法二:循环异或 方法三:异或 + 单次遍历 日期 题目地址: https://leetcode.com/problems/hamming-distance/ Total Accepted:…
The Hamming distance between two integers is the number of positions at which the corresponding bits are different. Input: x = 1, y = 4 Output: 2 Explanation: 1   (0 0 0 1) 4   (0 1 0 0) ↑   ↑ 思路:就是求两数异或的二进制表示中有几个1. 如何求一个整数的二进制表示有几个一呢? while(x){x=x&(…
题目要求 The Hamming distance between two integers is the number of positions at which the corresponding bits are different. Given two integers x and y, calculate the Hamming distance. Note:0 ≤ x, y < 231. 题目分析及思路 题目给出两个整数,要求返回它们之间的Hamming distance.Hammi…
The Hamming distance between two integers is the number of positions at which the corresponding bits are different. Given two integers x and y, calculate the Hamming distance. Note:0 ≤ x, y < 231. Example: Input: x = 1, y = 4 Output: 2 Explanation: 1…
题目: The Hamming distance between two integers is the number of positions at which the corresponding bits are different. Given two integers x and y, calculate the Hamming distance. Note:0 ≤ x, y < 2^31. Example: Input: x = 1, y = 4 Output: 2 Explanati…
The Hamming distance between two integers is the number of positions at which the corresponding bits are different. Given two integers x and y, calculate the Hamming distance. Note:0 ≤ x, y < 231. Input: x = 1, y = 4 Output: 2 Explanation: 1 (0 0 0 1…
LeetCode 461. 汉明距离 or LintCode 365. 二进制中有多少个1 题目一:LeetCode 461. 汉明距离 LeetCode 461.明距离(Hamming Distance) 两个整数之间的汉明距离指的是这两个数字对应二进制位不同的位置的数目.给出两个整数 x 和 y,计算它们之间的汉明距离. 注意 0 ≤ x, y < 2^31. 示例 Java 代码 class Solution { public int hammingDistance(int x, int…
题目: The Hamming distance between two integers is the number of positions at which the corresponding bits are different. Given two integers x and y, calculate the Hamming distance. Note:0 ≤ x, y < 231. Example: Input: x = 1, y = 4 Output: 2 Explanatio…
The Hamming distance between two integers is the number of positions at which the corresponding bits are different. Now your job is to find the total Hamming distance between all pairs of the given numbers. Example: Input: 4, 14, 2 Output: 6 Explanat…
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 位运算 日期 题目地址:https://leetcode.com/problems/total-hamming-distance/description/ 题目描述 The Hamming distance between two integers is the number of positions at which the correspondi…
原题链接在这里:https://leetcode.com/problems/total-hamming-distance/ 题目: The Hamming distance between two integers is the number of positions at which the corresponding bits are different. Now your job is to find the total Hamming distance between all pairs…
原题链接在这里:https://leetcode.com/problems/hamming-distance/ 题目: The Hamming distance between two integers is the number of positions at which the corresponding bits are different. Given two integers x and y, calculate the Hamming distance. Note:0 ≤ x, y …
LeetCode--Hamming Distance Question The Hamming distance between two integers is the number of positions at which the corresponding bits are different. Given two integers x and y, calculate the Hamming distance. Note: 0 ≤ x, y < 2^31. Example: Input:…
Level:   Easy 题目描述: The Hamming distance between two integers is the number of positions at which the corresponding bits are different. Given two integers x and y, calculate the Hamming distance. Note: 0 ≤ x, y < 231. Example: Input: x = 1, y = 4 Out…
传送门 Description The Hamming distance between two integers is the number of positions at which the corresponding bits are different. Now your job is to find the total Hamming distance between all pairs of the given numbers. Example: Input: 4, 14, 2 Ou…
// 快速法求1的个数 int BitCount2(unsigned int n) { unsigned ; ; n; ++c) { n &= (n -) ; // 清除最低位的1 } return c ; } The Hamming distance between two integers is the number of positions at which the corresponding bits are different. Given two integers x and y,…