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POJ 2503 Babelfish
DescriptionYou have just moved from Waterloo to a big city. The people here speak an incomprehensible dialect of a foreign language. Fortunately, you ...
分类:其他好文   时间:2014-07-31 20:04:07    阅读次数:212
ERROR 1205 (HY000): Lock wait timeout exceeded; try restarting transaction
前言:朋友咨询我说执行简单的update语句失效,症状如下:mysql> update order_info  set province_id=15  ,city_id= 1667  where order_from=10 and order_out_sn='1407261241xxxx';ERROR 1205 (HY000): Lock wait timeout exceeded; try re...
分类:其他好文   时间:2014-07-31 13:25:26    阅读次数:180
POJ2503:Babelfish(二分)
Description You have just moved from Waterloo to a big city. The people here speak an incomprehensible dialect of a foreign language. Fortunately, you have a dictionary to help you understand them....
分类:其他好文   时间:2014-07-31 00:07:15    阅读次数:222
iOS开发:通过经纬度获得城市、省份等信息
iOS系统自带定位,用CLLocationManager就可以轻松的实现定位的操作,获得的是一组经纬度,当然,也可以根据给出的经纬度获取相应的省份、城市、街道等信息,下面就看一个根据经纬度获得城市的demo:因为获取经纬度需要CLLocationManager类,而这个类包含在CoreLocation框架中,..
分类:移动开发   时间:2014-07-30 03:25:43    阅读次数:386
HDU 1505 City Game
这题是上一题的升级版关键在于条形图的构造,逐行处理输入的矩阵,遇到'F'则在上一次的条形图基础上再加1,遇到'R'则置为0然后用上一题的算法,求每行对应条形图的最大矩阵的面积。另外:本来是debug都不用就1A的节奏。可在输入数据上,一开始我用的是scanf读入字符 和 getchar跳过无效字符,...
分类:其他好文   时间:2014-07-29 21:18:22    阅读次数:280
ZOJ 2319 Beautiful People
Beautiful People Time Limit: 5 Seconds      Memory Limit: 32768 KB      Special Judge The most prestigious sports club in one city has exactly N members. Each of its members is strong and bea...
分类:其他好文   时间:2014-07-28 00:09:59    阅读次数:413
HDU1078:FatMouse and Cheese(记忆化)
Problem Description FatMouse has stored some cheese in a city. The city can be considered as a square grid of dimension n: each grid location is labelled (p,q) where 0 <= p < n and 0 <= q < n. At e...
分类:其他好文   时间:2014-07-28 00:02:49    阅读次数:319
LA 3029 - City Game (简单扫描线)
题目链接题意:给一个m*n的矩阵, 其中一些格子是空地(F), 其他是障碍(R)。找一个全部由F组成的面积最大的子矩阵, 输出其面积乘以3的结果。思路:如果用枚举的方法,时间复杂度是O(m^2 n^2);因为不但要枚举每一个点,而且矩阵的大小不知道,所以还要枚举长和宽。可以通过枚举每一个点,求该点所...
分类:其他好文   时间:2014-07-27 10:15:02    阅读次数:171
POJ2331:Water pipe(IDA*)
Description The Eastowner city is perpetually haunted with water supply shortages, so in order to remedy this problem a new water-pipe has been built. Builders started the pipe from both ends simul...
分类:其他好文   时间:2014-07-26 17:18:12    阅读次数:313
POJ - 3013 Big Christmas Tree
Description Christmas is coming to KCM city. Suby the loyal civilian in KCM city is preparing a big neat Christmas tree. The simple structure of the tree is shown in right picture. The tree can ...
分类:其他好文   时间:2014-07-26 15:01:50    阅读次数:300
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