Given a string containing just the characters'(',')','{','}','['and']', determine if the input string is valid.The brackets must close in the correct ...
分类：
其他好文 时间：
2015-01-16 15:59:49
阅读次数：
183
以下是本人收集的jquery插件下载地址：.............版本自行选择。jquery官网：http://jquery.com/jquery.validate.js 官网下载地址:http://bassistance.de/jquery-plugins/jquery-plugin-valid...
分类：
Web程序 时间：
2015-01-16 14:27:50
阅读次数：
1865
Given a binary tree, determine if it is a valid binary search tree (BST).
Assume a BST is defined as follows:
The left subtree of a node contains only nodes with keys less than the node's ke...
分类：
编程语言 时间：
2015-01-16 10:12:49
阅读次数：
163
题目：
Evaluate the value of an arithmetic expression in Reverse Polish Notation.
Valid operators are +, -, *, /.
Each operand may be an integer or another expression.
Some examples:
["2"...
分类：
编程语言 时间：
2015-01-15 20:25:10
阅读次数：
148
Validate if a given string is numeric.Some examples:"0"=>true" 0.1 "=>true"abc"=>false"1 a"=>false"2e10"=>trueNote:It is intended for the problem stat...
分类：
其他好文 时间：
2015-01-15 18:07:03
阅读次数：
122
Evaluate the value of an arithmetic expression in Reverse Polish Notation.
Valid operators are +, -, *, /.
Each operand may be an integer or another expression.
Some examples:
["2", "1", ...
分类：
其他好文 时间：
2015-01-15 13:00:38
阅读次数：
156
Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases.
For example,
"A man, a plan, a canal: Panama" is a palindrome.
"race a car" is not a ...
分类：
其他好文 时间：
2015-01-15 09:26:10
阅读次数：
160
问题描述：
Given a binary tree, determine if it is a valid binary search tree (BST).
Assume a BST is defined as follows:
The left subtree of a node contains only nodes with keys
less than the node'...
分类：
其他好文 时间：
2015-01-14 22:53:40
阅读次数：
179
Given a string containing just the characters'(',')','{','}','['and']', determine if the input string is valid.The brackets must close in the correct ...
分类：
其他好文 时间：
2015-01-14 22:44:53
阅读次数：
189
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 valid...
分类：
其他好文 时间：
2015-01-14 14:23:11
阅读次数：
148
