[LeetCode]678. Valid Parenthesis String 解题报告(Python) 标签(空格分隔): LeetCode 作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.me/ 题目地址:https://leetcode.com/problems/valid-parenthesis-string/description/ 题目描述: Given a string containing only three types…

678. Valid Parenthesis String Medium Given a string containing only three types of characters: '(', ')' and '*', write a function to check whether this string is valid. We define the validity of a string by these rules: Any left parenthesis '(' must…

Given a string containing only three types of characters: '(', ')' and '*', write a function to check whether this string is valid. We define the validity of a string by these rules: Any left parenthesis '(' must have a corresponding right parenthesi…

Given a string containing only three types of characters: '(', ')' and '*', write a function to check whether this string is valid. We define the validity of a string by these rules: Any left parenthesis '(' must have a corresponding right parenthesi…

[LeetCode]481. Magical String 解题报告(Python) 标签(空格分隔): LeetCode 作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 题目地址:https://leetcode.com/problems/magical-string/description/ 题目描述: A magical string S consists of only '1' and '2' and obeys the f…

https://leetcode.com/problems/valid-parenthesis-string/description/ 这个题的难点在增加了*,*可能是(也可能是).是(的前提是:右边有多余的).是)的前提是:左边有多余的(.所以他们的位置信息是重要的. class Solution { public: bool checkValidString(string s) { // *可以是(或者), 用openMax/Min来表示最多和最少可能没有被匹配的(的数目. // openM…

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 递归 动态规划 日期 题目地址:https://leetcode.com/problems/scramble-string/description/ 题目描述 Given a string s1, we may represent it as a binary tree by partitioning it to two non-empty subs…

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 日期 题目地址:https://leetcode.com/problems/decode-string/description/ 题目描述 Given an encoded string, return it's decoded string. The encoding rule is: k[encoded_string], where the…

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/rotate-string/description/ 题目描述 We are given two strings, A and B. A shift on A consists of taking string A and moving the leftmost charac…

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.me/ 题目地址:https://leetcode.com/problems/reorganize-string/description/ 题目描述: Given a string S, check if the letters can be rearranged so that two characters that are adjacent to each other are not th…