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[leetcode]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:2015-01-22 21:41:27    阅读次数:136
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:2015-01-21 23:53:23    阅读次数:125
Valid Parentheses
第一次提交时runtime error ,错误串是“]”,而在code blocks (g++)下编译运行结果都是对的。后来发现时code blocks 下当栈为空时,stack.top()访问时没报错。而OJ认为是指针错误,修改再提交就OK了。 1 class Solution { 2 publi...
分类:其他好文   时间:2015-01-19 22:31:41    阅读次数:115
leetcode------Plus One
标题:Valid Parentheses通过率:27.7%难度:简单Given a string containing just the characters'(',')','{','}','['and']', determine if the input string is valid.The b...
分类:其他好文   时间:2015-01-18 12:57:08    阅读次数:130
Leetcode 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:2015-01-11 21:31:35    阅读次数:245
Generate Parentheses(组合,回溯)
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:2015-01-11 16:08:58    阅读次数:197
Longest Valid Parentheses
难点1,是栈,2是流程class Solution {public: int longestValidParentheses(string s) { stack mstack; char cbefore; int count = 0; if(s.empt...
分类:其他好文   时间:2015-01-11 12:14:33    阅读次数:119
[C++]LeetCode: 84 Generate Parentheses (卡特兰数)
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:编程语言   时间:2015-01-10 16:42:46    阅读次数:261
【leetcode系列】Valid Parentheses
非常经典的问题,使用栈来解决,我这里自己实现了一个栈,当然也能够直接用java自带的Stack类。自己实现的栈代码:import java.util.LinkedList;class StackOne { LinkedList data; int top; int maxSize; StackOne...
分类:其他好文   时间:2015-01-09 12:00:02    阅读次数:155
【leetcode】 Generate Parentheses (middle)☆
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:2015-01-08 17:34:58    阅读次数:159
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