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leetcode_Valid Parentheses
很简单的字符串匹配问题,直接用栈就可以实现,为使程序更加高效,当要匹配的字符种类比较多的时候可以考虑用HashMap来保存匹配对...
分类:其他好文   时间:2015-05-21 10:55:47    阅读次数:100
leetcode---Generate Parentheses
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:2015-05-20 16:22:27    阅读次数:92
[LeetCode][JavaScript]Valid Parentheses
https://leetcode.com/problems/valid-parentheses/Valid ParenthesesGiven a string containing just the characters'(',')','{','}','['and']', determine if ...
分类:编程语言   时间:2015-05-17 18:29:30    阅读次数:187
[LeetCode][JavaScript]Longest Valid Parentheses
https://leetcode.com/problems/longest-valid-parentheses/Longest Valid ParenthesesGiven a string containing just the characters'('and')', find the leng...
分类:编程语言   时间:2015-05-16 18:21:36    阅读次数:289
Valid Parentheses [LeetCode 20]
括号匹配判断,关键思想:利用一个栈来保存前括号,然后有后括号来时弹出栈顶来判断。
分类:其他好文   时间:2015-05-14 20:15:48    阅读次数:167
LeetCode 32 Longest Valid Parentheses (C,C++,Java,Python)
Problem: Given a string containing just the characters '(' and ')', find the length of the longest valid (well-formed) parentheses substring. For "(()", the longest valid parentheses substri...
分类:编程语言   时间:2015-05-14 18:44:41    阅读次数:121
Java [leetcode 22]Generate Parentheses
题目描述:Given n pairs of parentheses, write a function to generate all combinations of well-formed parentheses.For example, given n = 3, a solution set i...
分类:编程语言   时间:2015-05-14 18:38:58    阅读次数:131
【Longest Valid Parentheses】cpp
题目:Given a string containing just the characters'('and')', find the length of the longest valid (well-formed) parentheses substring.For"(()", the long...
分类:其他好文   时间:2015-05-12 20:40:49    阅读次数:88
【ceetcode】12 valid parentheses
有效的括弧匹配注意事项:1 使用stack遇到'(' '[' '{'就push,遇到')' ']' '}'匹配进行pop等操作class Solution {public: bool isValid(string s) { stack mystack; char tmp; for(char c:s....
分类:其他好文   时间:2015-05-11 23:43:31    阅读次数:159
Leetcode Longest Valid Parentheses
我的错误代码: 1 #include 2 3 using namespace std; 4 5 int longestValidParentheses(string s) 6 { 7 int i = 0; 8 int L = s.length(); 9 int j;10 ...
分类:其他好文   时间:2015-05-11 12:54:52    阅读次数:96
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