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[LeetCode] [Palindrome Number 2012-01-04]
Determine whether an integer is a palindrome. Do this without extra space.if use recursive, like check the first dig and last dig, then remove them, c...
分类:其他好文   时间:2014-05-23 02:45:15    阅读次数:230
欧拉项目004:寻找最大的回文数
Problem 4: Largest palindrome product A palindromic number reads the same both ways. The largest palindrome made from the product of two 2-digit numbers is 9009 = 91 × 99. Find the largest pal...
分类:其他好文   时间:2014-05-22 18:48:46    阅读次数:355
Evaluate Reverse Polish Notation
Evaluate the value of an arithmetic expression inReverse Polish Notation.Valid operators are+,-,*,/. Each operand may be an integer or another express...
分类:其他好文   时间:2014-05-22 15:28:54    阅读次数:175
【玩转微信公众平台之八】 示例代码分析
11行制造了一个手机,手机名为wechatCallbackapiTest,这个手机有三个功能,一个功能是valid(),它的作用是签名和接口验证;另一个函数叫responseMsg(),这个该手机最重要的功能,就跟打电话一样;最后一个功能是checkSignature(),它是用来验证签名的。...
分类:微信   时间:2014-05-22 07:02:37    阅读次数:606
【LeetCode】Evaluate Reverse Polish Notation
Evaluate the value of an arithmetic expression inReverse Polish Notation.Valid operators are+,-,*,/. Each operand may be an integer or another express...
分类:其他好文   时间:2014-05-22 00:49:57    阅读次数:311
Valid Palindrome
Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases.For example,"A man, a plan, a canal: Pana...
分类:其他好文   时间:2014-05-21 21:20:54    阅读次数:291
[LeetCode]Valid Parentheses
Valid Parentheses括号匹配问题...
分类:其他好文   时间:2014-05-21 16:02:30    阅读次数:161
poj 1159 Palindrome
Palindrome Time Limit: 3000MS   Memory Limit: 65536K Total Submissions: 50914   Accepted: 17537 Description A palindrome is a symmetrical string, that is, a string read...
分类:其他好文   时间:2014-05-21 06:50:05    阅读次数:281
leetCode解题报告5道题(十)
5道题目分别是:【Largest Rectangle in Histogram】、【Minimum Path Sum】、【Jump Game】、【Jump Game II 】、【Valid Number】,由于有一些题目不需要发一整篇博文来记录,所以就将这些题目以一篇博文5道来记录。...
分类:其他好文   时间:2014-05-21 03:05:33    阅读次数:481
LeetCode: Longest Valid Parentheses [031]
【题目】 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 "()", which has length = 2. Another example is ")()())", whe...
分类:其他好文   时间:2014-05-20 16:39:07    阅读次数:280
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