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【LeetCode】Word Break II 解题报告
Given a string s and a dictionary of words dict, add spaces in s to construct a sentence where each word is a valid dictionary word. Return all such possible sentences. For example, given s = "...
分类:其他好文   时间:2014-09-02 17:52:35    阅读次数:191
POJ 2676 Sudoku (搜索,Dancing Links)
题目:http://poj.org/problem?id=2676题意:数独,每行1-9,每列1-9,每3*3小格1-9,填数,不能重复方法:Dancing Links(16ms)或者DFS暴搜(400-900ms)Dancing Links(DLX) 是为了解决矩阵精确覆盖问题的算法,算法效率非常...
分类:其他好文   时间:2014-09-02 14:07:34    阅读次数:225
Valid Parentheses
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:2014-09-02 12:16:04    阅读次数:192
Valid Palindrome
判断回文字符串...
分类:其他好文   时间:2014-08-31 22:56:52    阅读次数:177
LeetCode: Restore IP Addresses
LeetCode: Restore IP AddressesGiven a string containing only digits, restore it by returning all possible valid IP address combinations. For example:G...
分类:其他好文   时间:2014-08-31 22:48:42    阅读次数:314
编程异常——如果你报createSQLQuery is not valid without active transaction,...
很多时候我们使用hibernate的session时,都是让session在某一运行环境中保持其唯一。例如在同一线程内用同一个session,在同一方法内用同一session,这样我们就可以用session里面缓存好的数据。但,我想说的不是缓存,且听我一一道来。       最近试用spring3.0.2+struts2.18+hibernate3.3.2学习搭建一个web项目,出现了一个相当郁...
分类:数据库   时间:2014-08-31 17:19:11    阅读次数:256
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 va...
分类:其他好文   时间:2014-08-31 09:18:11    阅读次数:203
ACdream区域赛指导赛之手速赛系列(6)
Problem Description Sudoku is a popular single player game. The objective is to fill a 9x9 matrix with digits so that each column, each row, and all 9 non-overlapping 3x3 sub-matrices contain all o...
分类:其他好文   时间:2014-08-30 11:18:09    阅读次数:286
Does not contain a valid host:port authority: Master:8031 (configuration property 'yarn.resourcemanager.resource-tracker.address')
问题解决:这个错误是:yarn里面的配置的格式有错误:如:yarn.resourcemanager.addressMaster:8032 在标签之间不能有空格。去掉空格OK。异常堆栈如下2014-08-30 10:20:30,171 INFO org.apache.hadoop.service.A....
分类:其他好文   时间:2014-08-30 11:06:39    阅读次数:927
【LeetCode】- Valid Parentheses(有效的括号)
[ 问题: ] Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid. 直译:给定一个字符串,该串包含字符'(', ')', '{', '}', '[', ']', 请判断它是不是有效的 The brackets must close in the correct order, "()" and "()[]{}" are al...
分类:其他好文   时间:2014-08-29 16:11:48    阅读次数:195
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