Longest Valid Parentheses（最长有效括号）

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[LeetCode] Longest Valid Parentheses 最长有效括号

Given a string containing just the characters '(' and ')', find the length of the longest valid (well-formed) parentheses substring. For "(()", the longest valid parentheses substring is "()", which has length = 2. Another example is &…

[leetcode]32. Longest Valid Parentheses最长合法括号子串

Given a string containing just the characters '(' and ')', find the length of the longest valid (well-formed) parentheses substring. Example 1: Input: "(()" Output: 2 Explanation: The longest valid parentheses substring is "()" Example…

[LeetCode] 32. Longest Valid Parentheses 最长有效括号

Given a string containing just the characters '(' and ')', find the length of the longest valid (well-formed) parentheses substring. Example 1: Input: "(()" Output: 2 Explanation: The longest valid parentheses substring is "()" Example…

032 Longest Valid Parentheses 最长有效括号

给一个只包含 '(' 和 ')' 的字符串,找出最长的有效(正确关闭)括号子串的长度.对于 "(()",最长有效括号子串为 "()" ,它的长度是 2.另一个例子 ")()())",最长有效括号子串为 "()()",它的长度是 4.详见:https://leetcode.com/problems/longest-valid-parentheses/description/ Java实现: start变量来记录合法括号串的起始位…

32. Longest Valid Parentheses最长有效括号

参考: 1. https://leetcode.com/problems/longest-valid-parentheses/solution/ 2. https://blog.csdn.net/accepthjp/article/details/52439449 知道是用动态规划解决,但是写不出状态转移方程... 最后查看官方solution,理解了状态转移方程的由来! class Solution { public: int longestValidParentheses(string s)…

[Leetcode] longest valid parentheses 最长的有效括号

Given a string containing just the characters'('and')', find the length of the longest valid (well-formed) parentheses substring. For"(()", the longest valid parentheses substring is"()", which has length = 2. Another example is")…