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[LeetCode] Longest Valid Parentheses
This problem is a nice extension of the Valid Parentheses problem.There are several ways to solve it. The first idea is also to use a stack. However, ...
分类:其他好文   时间:2015-06-13 16:56:41    阅读次数:130
LeetCode 22 Generate Parentheses
Givennpairs of parentheses, write a function to generate all combinations of well-formed parentheses.For example, givenn= 3, a solution set is:"((()))...
分类:其他好文   时间:2015-06-13 01:09:41    阅读次数:158
LeetCode之“动态规划”:Longest Valid Parentheses
题目链接 题目要求: Given a string containing just the characters'('and')', find the length of the longest valid (well-formed) parentheses substring. For...
分类:其他好文   时间:2015-06-12 23:52:34    阅读次数:120
LeetCode Basic Calculator
Implement a basic calculator to evaluate a simple expression string.The expression string may contain open(and closing parentheses), the plus+or minus...
分类:其他好文   时间:2015-06-10 06:33:42    阅读次数:108
[LeetCode][JavaScript]Basic Calculator
Basic CalculatorImplement a basic calculator to evaluate a simple expression string.The expression string may contain open(and closing parentheses), t...
分类:编程语言   时间:2015-06-10 00:50:16    阅读次数:399
[LeetCode] Basic Calculator
Basic CalculatorImplement a basic calculator to evaluate a simple expression string.The expression string may contain open(and closing parentheses), t...
分类:其他好文   时间:2015-06-09 16:40:54    阅读次数:115
LeetCode(20)--Valid Parentheses
https://leetcode.com/problems/valid-parentheses/原题:Given a string containing just the characters'(',')','{','}','['and']', determine if the input stri...
分类:其他好文   时间:2015-06-07 17:05:11    阅读次数:97
leetcode 22 -- Generate Parentheses
Generate Parentheses 题目: Given n pairs of parentheses, write a function to generate all combinations of well-formed parentheses. For example, given n = 3, a solution set is: “((()))”, “(()(...
分类:其他好文   时间:2015-06-06 23:33:17    阅读次数:120
Valid Parentheses
为了在运行中避免可能出现的危险,即当string emuStack为空,emuStack.begin()和emuStack.end()是什么。采取的策略是先将emuStack重置为非空,再进行其他操作,这样就永远不可能碰到底部。 #include #include using namespace std; class Solution { public: bool isValid(st...
分类:其他好文   时间:2015-06-06 09:18:14    阅读次数:108
leetcode 20 -- Valid Parentheses
Valid Parentheses 题目: Given a string containing just the characters ‘(‘, ‘)’, ‘{‘, ‘}’, ‘[’ and ‘]’, determine if the input string is valid. The brackets must close in the correct order, “()”...
分类:其他好文   时间:2015-06-05 14:07:10    阅读次数:117
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