Given a string containing just the characters'('and')', find the length of the longest valid (well-formed) parentheses substring.For"(()", the longest...
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其他好文 时间:
2015-01-01 21:10:28
阅读次数:
149
Given two strings, find the longest common substring.Return the length of it.NoteThe characters in substring should occur continiously in original str...
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其他好文 时间:
2015-01-01 00:01:16
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339
Compare two strings A and B, determine whether A contains all of the characters in B.The characters in string A and B are all Upper Case letters.Examp...
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其他好文 时间:
2014-12-31 08:42:03
阅读次数:
228
html_entity_decode() 函数定义和用法The html_entity_decode() function converts HTML entities to characters.html_entity_decode()函数的作用是:转换HTML字符编码为字符。The html_e...
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Web程序 时间:
2014-12-31 08:40:49
阅读次数:
232
题目:(HashTable Two Point String)Given a string S and a string T, find the minimum window in S which will contain all the characters in T in complexity ...
在Struts2+Spring3+Hibernate4的框架下,本来想在DAO中通过setter注入,给sessionFactory赋值,但是却出现NullPointerException的异常。经过调试,发现sessionFactory的值为null。后来发现,原来在service层中,这个...
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编程语言 时间:
2014-12-31 06:17:16
阅读次数:
168
一、 题目
题目目的很明显,就是将一个字符串转换成整数,也就是平时经常用到的atoi.
二、 分析
题目其实不难,不过需要注意下面几点:
1、字符串前的空白
2. 字符串所表示数值的正负号
3. 结束条件,遇到非数字或者字符'\0'结束
4. 考虑溢出,与int值所能表示的最大(0x7fffffff)和最小值进行比较
5. 考虑异常输入情况下,用全局变量valid来...
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其他好文 时间:
2014-12-31 01:08:33
阅读次数:
148
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 n...
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其他好文 时间:
2014-12-30 21:54:37
阅读次数:
183
Valid PalindromeGiven a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases.For example,"A man, a pla...
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其他好文 时间:
2014-12-30 20:39:15
阅读次数:
156
Longest Substring Without Repeating Characters
Total Accepted: 35063 Total
Submissions: 159111My Submissions
Question
Solution
Given a string, find the length of the longest subst...
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其他好文 时间:
2014-12-30 17:16:14
阅读次数:
231