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leetcode valid parentheses
1, 堆栈的应用,算是很经典的题目2,记得给stack 设置类型,否则就是objectpublic class Solution { public boolean isValid(String s) { if(s.length()==0||s.length()==1){ ...
分类:其他好文   时间:2014-10-29 07:03:16    阅读次数:192
[leetcode]Valid Number
问题描述: Validate if a given string is numeric. Some examples: "0" => true " 0.1 " => true "abc" => false "1 a" => false "2e10" => true Note: It is intended for the problem statement to be am...
分类:其他好文   时间:2014-10-28 21:52:13    阅读次数:192
Some words about Qt DOM Node, Element and Attribut
Add Instruction Node Every valid XML must contain processing instruction. XML is widely used for HTML, SVG, XLS etc. So make sure your XML file has valid instruction of its type and encoding. The f...
分类:其他好文   时间:2014-10-27 21:27:17    阅读次数:155
Valid Palindrome
Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases.//数字或字母For example,"A man, a plan, a cana...
分类:其他好文   时间:2014-10-27 20:55:25    阅读次数:178
微信公众平台开发(3)封装全部基础接口源码
<?php define ( "TOKEN", "tony" ); if (! isset ( $_GET ["echostr"] )) { // 调用响应消息函数 responseMsg (); } else { // 实现网址接入,调用验证消息函数 valid (); } /* * 验证消息函数 */ function valid() { if (checkSignature ...
分类:微信   时间:2014-10-27 14:26:09    阅读次数:345
Valid Parentheses
典型的用栈(stack)结构解决问题的例子class Solution: def isPair(self,s1,s2): if (s1=='(' and s2==')')or (s2=='(' and s1==')'): return True ...
分类:其他好文   时间:2014-10-27 14:17:47    阅读次数:186
LeetCode: Valid Parentheses 解题报告
Valid Parentheses Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid.The brackets m...
分类:其他好文   时间:2014-10-26 22:31:27    阅读次数:438
LeetCode 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 val...
分类:其他好文   时间:2014-10-26 17:02:49    阅读次数:142
mybatis 3 -枚举
定义枚举:public static enum AppStateEnum { Valid("有效"), Virtual("虚拟"), Hide("隐藏"); public String toString() { return this.app...
分类:其他好文   时间:2014-10-26 15:36:19    阅读次数:131
leetcode - Longest Valid Parentheses
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 "()", ...
分类:其他好文   时间:2014-10-26 11:49:43    阅读次数:185
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