-------------------------------------------------- 先计算每个字母的出现次数然后减去,最后剩下的那一个就是后来添加的了. AC代码: public class Solution { public char findTheDifference(String s, String t) { int book[]=new int[26]; for(int i=0;i<s.length();i++) book[s.charAt(i)-'a']++; for…

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 方法一:字典统计次数 方法二:异或 方法三:排序 日期 [LeetCode] https://leetcode.com/problems/find-the-difference/ Difficulty: Easy 题目描述 Given two strings s and t which consist of only lowercase letter…

原题 Given two strings s and t which consist of only lowercase letters. String t is generated by random shuffling string s and then add one more letter at a random position. Find the letter that was added in t. Example: Input: s = "abcd" t = "…

Given two strings s and t which consist of only lowercase letters. String t is generated by random shuffling string s and then add one more letter at a random position. Find the letter that was added in t. Example: Input: s = "abcd" t = "ab…

Given two strings s and t which consist of only lowercase letters. String t is generated by random shuffling string s and then add one more letter at a random position. Find the letter that was added in t. Example: Input: s = "abcd" t = "ab…

Given two strings s and t which consist of only lowercase letters. String t is generated by random shuffling string s and then add one more letter at a random position. Find the letter that was added in t. Example: Input: s = "abcd" t = "ab…

题目要求 Given two strings s and t which consist of only lowercase letters. String t is generated by random shuffling string s and then add one more letter at a random position. Find the letter that was added in t. 题目分析及思路 给定两个只由小写字母组成的字符串s和t,其中t是在s字符串组成…

Given two strings s and t which consist of only lowercase letters. String t is generated by random shuffling string s and then add one more letter at a random position. Find the letter that was added in t. Example: Input: s = "abcd" t = "ab…

1.题目大意 Given two strings s and t which consist of only lowercase letters. String t is generated by random shuffling string s and then add one more letter at a random position. Find the letter that was added in t. Example: Input: s = "abcd" t = &…

题目: Given two strings s and t which consist of only lowercase letters. String t is generated by random shuffling string s and then add one more letter at a random position. Find the letter that was added in t. Example: Input: s = "abcd" t = &quo…