LeetCode.917-只反转字母(Reverse Only Letters)

【LeetCode.917-只反转字母(Reverse Only Letters)】的更多相关文章

LeetCode.917-只反转字母(Reverse Only Letters)

这是悦乐书的第353次更新,第378篇原创 01 看题和准备今天介绍的是LeetCode算法题中Easy级别的第215题(顺位题号是917).给定一个字符串S,返回"反向"字符串,其中所有非字母的字符都保留在同一位置,并且所有字母都反转其位置.例如: 输入:"ab-cd" 输出:"dc-ba" 输入:"a-bC-dEf-ghIj" 输出:"j-Ih-gfE-dCba" 输入:"Test1ng-L…

[Swift]LeetCode917. 仅仅反转字母 | Reverse Only Letters

Given a string S, return the "reversed" string where all characters that are not a letter stay in the same place, and all letters reverse their positions. Example 1: Input: "ab-cd" Output: "dc-ba" Example 2: Input: "a-bC…

LeetCode 206：反转链表 Reverse Linked List

反转一个单链表. Reverse a singly linked list. 示例: 输入: 1->2->3->4->5->NULL 输出: 5->4->3->2->1->NULL 进阶: 你可以迭代或递归地反转链表.你能否用两种方法解决这道题? Follow up: A linked list can be reversed either iteratively or recursively. Could you implement both?…

[LeetCode] 917. Reverse Only Letters 只翻转字母

Given a string S, return the "reversed" string where all characters that are not a letter stay in the same place, and all letters reverse their positions. Example 1: Input: "ab-cd" Output: "dc-ba" Example 2: Input: "a-bC…

【LeetCode】917. Reverse Only Letters 解题报告（Python）

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栈单指针双指针日期题目地址: https://leetcode.com/contest/weekly-contest-105/problems/reverse-only-letters/ 题目描述 Given a string S, return the "reversed" string where all characters…

【Leetcode_easy】917. Reverse Only Letters

problem 917. Reverse Only Letters solution: class Solution { public: string reverseOnlyLetters(string S) { , j=S.size()-; i<j; )//err... { if(!isalpha(S[i])) i++; else if(!isalpha(S[j])) j--; else { char tmp = S[i]; S[i] = S[j]; S[j] = tmp; i++; j--;…