【[LeetCode] Valid Parentheses】的更多相关文章

[LeetCode] Valid Parentheses 验证括号

Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid. The brackets must close in the correct order, "()" and "()[]{}" are all valid but "(]" and "([)]"…

LeetCode: Valid Parentheses 解题报告

Valid Parentheses Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid. The brackets must close in the correct order, "()" and "()[]{}" are all valid but "(]" a…

[Leetcode] valid parentheses 有效括号对

Given a string containing just the characters'(',')','{','}','['and']', determine if the input string is valid. The brackets must close in the correct order,"()"and"()[]{}"are all valid but"(]"and"([)]"are not. 题意:给…

LeetCode——Valid Parentheses

Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid. The brackets must close in the correct order, "()" and "()[]{}" are all valid but "(]" and "([)]"…

[LeetCode] Valid Parentheses

Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid. The brackets must close in the correct order, "()" and "()[]{}" are all valid but "(]" and "([)]"…

leetcode—Valid Parentheses

1.问题描述 Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid.   The brackets must close in the correct order, "()" and "()[]{}" are all valid but "(]" and "…

Python3解leetcode Valid Parentheses

问题描述: Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid. An input string is valid if: Open brackets must be closed by the same type of brackets. Open brackets must be closed in the c…

leetcode Valid Parentheses python

# 解题思路: # 创建一个字典映射关系 dicts# 使用一个栈stk 遍历字符串s 得到一个新的字符串curItem 如果lastItem在dicts中的value和它相等 不做任何操作# 如果不等 入栈 有lastItem的 先append lastItem 然后是curItem ## 最后判断如果stk为空说明所给字符串匹配 return true class Solution(object): def isValid(self, s): """ :type s: s…

LeetCode Valid Parentheses 有效括号

class Solution { public: void push(char c){ //插入结点 struct node *n=new struct node; n->nex=; n->ch=c; n->pre=last; last->nex=n; last=last->nex; } bool jud(char c){ //判断 struct node *m; if(c==']') c='['; else if(c=='}') c='{'; else if(c==')')…

Valid Parentheses [LeetCode 20]

1- 问题描述 Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid. The brackets must close in the correct order, "()" and "()[]{}" are all valid but "(]" and "(…