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//// ViewController.m// thread//// Created by City--Online on 15/3/31.// Copyright (c) 2015年 City--Online. All rights reserved.//#import "ViewCont...
分类:其他好文   时间:2015-03-31 17:35:01    阅读次数:107
Sicily 1024. Magic Island
1024. Magic Island Constraints Time Limit: 1 secs, Memory Limit: 32 MB Description There are N cities and N-1 roads in Magic-Island. You can go from one city to any other. One road only ...
分类:其他好文   时间:2015-03-31 09:03:59    阅读次数:173
定位表的数据块并且dump出来
SQL> select * from city; ID NAME ---------- ---------- 7 Chicago 6 JerseyCity 8 Manhattan 1 New York 3 Dallas 4 Bei...
分类:其他好文   时间:2015-03-31 06:35:23    阅读次数:121
mysql学习从0开始:表的创建
下面的例子是一个名为 "persons" 的表: Id LastName FirstName Address City 1 Adams John Oxford Street London 2 Bush George Fifth Avenue New York 3 ...
分类:数据库   时间:2015-03-30 13:22:06    阅读次数:177
POJ_2503_Babelfish(map or 字典树)
Babelfish Time Limit: 3000MS   Memory Limit: 65536K Total Submissions: 34816   Accepted: 14908 Description You have just moved from Waterloo to a big city. The people here ...
分类:其他好文   时间:2015-03-30 09:23:04    阅读次数:169
Traveling 【图的性质】
Traveling 时间限制: 1 Sec 内存限制: 32 MB 提交: 41 解决: 23 [提交][状态][讨论版] 题目描述 SH likes traveling around the world. When he arrives at a city, he will ask the staff about the number of cities that connected...
分类:其他好文   时间:2015-03-29 16:39:07    阅读次数:143
sybase iq数据库load表字符集乱码
公司领导要我导一个文件到sybase iq数据库一张表中,load表语句如下: load?table?kyfx_ci_loc( ?city_name?‘,‘,? ?county_id ?ci_name?‘,‘, ?ci_section?‘,‘, ?ci_id?‘,‘, ?ci_longtitude_g...
分类:数据库   时间:2015-03-29 09:32:53    阅读次数:884
BZOJ-2001-city城市建设-HNOI2010-CDQ分治
描述 给出有n个点, m条边的无向图, 每次修改一条边的权值, 求修改后的最小生成树的大小. 修改次数 ≤ 50000. 分析 还是CDQ分治, 但是有点特殊. 目前的CDQ分治还是停留在看题解看别人代码才理解的层面.有一些边一定在部分修改后的最小生成树中, 这是优化的中心思想吧.然后一个减少边的操作, 一个减少点的操作. 看课件吧.减少点的方法是缩点, 用并查集.一开始想用...
分类:其他好文   时间:2015-03-28 11:43:03    阅读次数:197
hdu 1690 Bus System 最短路 Floyd算法。。INF一定要很大很大。。。数据类型用long long。
Because of the huge population of China, public transportation is very important. Bus is an important transportation method in traditional public transportation system. And it’s still playing an important role even now. The bus system of City X is quite st...
分类:编程语言   时间:2015-03-28 10:09:31    阅读次数:201
poj 1703 Find them, Catch them
Find them, Catch themTime Limit:1000MSMemory Limit:10000KTotal Submissions:33780Accepted:10432DescriptionThe police office in Tadu City decides to say...
分类:其他好文   时间:2015-03-28 01:13:05    阅读次数:182
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