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…

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:…

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…

[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…

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 日期 题目地址:https://leetcode.com/problems/maximize-distance-to-closest-person/description/ 题目描述 In a row of seats, 1 represents a person sitting in that seat, and 0 represents that…

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 过两遍数组 日期 题目地址:https://leetcode.com/problems/shortest-distance-to-a-character/description/ 题目描述 Given a string S and a character C, return an array of integers representing the…

------------------------------------------------------------------ AC代码: public class Solution { public int hammingDistance(int x, int y) { return Integer.toString(x^y,2).replaceAll("0","").length(); } } 题目来源: https://leetcode.com/prob…

72. Edit Distance Given two words word1 and word2, find the minimum number of steps required to convert word1 to word2. (each operation is counted as 1 step.) You have the following 3 operations permitted on a word: a) Insert a character b) Delete a…

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 字典+二分查找 日期 题目地址:https://leetcode-cn.com/problems/shortest-distance-to-target-color/ 题目描述 You are given an array colors, in which there are three colors: 1, 2 and 3. You are also…

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 大根堆+小根堆 保存已有的最大最小 日期 题目地址:https://leetcode-cn.com/problems/maximum-distance-in-arrays/ 题目描述 Given m arrays, and each array is sorted in ascending order. Now you can pick up two…