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[LeetCode] 20. Valid Parentheses 验证括号

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 correct…

[LeetCode] 20. Valid Parentheses 合法括号

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 correct…

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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 correct…

LeetCode 20 Valid Parentheses （括号匹配问题）

题目链接 https://leetcode.com/problems/valid-parentheses/?tab=Description   Problem: 括号匹配问题. 使用栈,先进后出!   参考代码1: package leetcode_50; import java.util.Stack; /*** * * @author pengfei_zheng * 括号匹配问题 */ public class Solution20 { public static boolean isVali…

leetcode 20. Valid Parentheses 、32. Longest Valid Parentheses 、

20. Valid Parentheses 错误解法: "[])"就会报错,没考虑到出现')'.']'.'}'时,stack为空的情况,这种情况也无法匹配 class Solution { public: bool isValid(string s) { if(s.empty()) return false; stack<char> st; st.push(s[]); ;i < s.size();i++){ if(s[i] == '(' || s[i] == '['…

[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 20.Valid Parentheses (有效的括号) 解题思路和方法

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 "(]"…

[LintCode] Valid Parentheses 验证括号

Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid. Have you met this question in a real interview?     Example The brackets must close in the correct order, "()" and "()[]{…

leetcode 20 Valid Parentheses 括号匹配

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]20. Valid Parentheses有效的括号

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 correct…