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URAL 1545. Hieroglyphs
1545. Hieroglyphs Time limit: 1.0 second Memory limit: 64 MB Vova is fond of anime. He is so enthusiastic about this art that he learned to communicate with his Japanese friends using the...
分类:其他好文   时间:2015-03-11 14:53:12    阅读次数:159
URAL 1607. Taxi
1607. Taxi Time limit: 0.5 second Memory limit: 64 MB Petr likes going by taxi. For him, it is not only the pleasure of a fast and comfortable ride, but also the opportunity to bargain wi...
分类:其他好文   时间:2015-03-11 14:52:32    阅读次数:118
Oracle INTERVAL
转自:http://www.cnblogs.com/ungshow/archive/2009/04/11/1433747.htmlINTERVAL DAY TO SECOND数据类型Oracle语法:INTERVAL '{ integer | integer time_expr | time_exp...
分类:数据库   时间:2015-03-11 14:26:48    阅读次数:262
URAL 1925. British Scientists Save the World
1925. British Scientists Save the World Time limit: 1.0 second Memory limit: 64 MB The world is in danger! Aliens threw a mysterious device to Earth n years ago. Every year an unknown sig...
分类:其他好文   时间:2015-03-11 08:13:32    阅读次数:201
Second Highest Salary
Write a SQL query to get the second highest salary from theEmployeetable.+----+--------+| Id | Salary |+----+--------+| 1 | 100 || 2 | 200 || ...
分类:其他好文   时间:2015-03-10 15:29:59    阅读次数:113
MySql计算两个日期的时间差函数
MySql计算两个日期时间的差函数: 第一种:TIMESTAMPDIFF函数,需要传入三个参数,第一个是比较的类型,可以比较FRAC_SECOND、SECOND、 MINUTE、 HOUR、 DAY、 WEEK、 MONTH、 QUARTER或 YEAR几种类型,第二个和第三个参数是待比较的两个时间,比较是后一个时间减前一个时间,具体用法如下: SELECT TIMESTAMPDIFF(D...
分类:数据库   时间:2015-03-10 12:12:09    阅读次数:180
linux系统运行时间
cat /proc/uptime| awk -F. '{run_days=$1 / 86400;run_hour=($1 % 86400)/3600;run_minute=($1 % 3600)/60;run_second=$1 % 60;printf("系统已运行:%d天%d时%d分%d秒",ru...
分类:系统相关   时间:2015-03-09 23:42:02    阅读次数:165
URAL 1493. One Step from Happiness
1493. One Step from Happiness Time limit: 1.0 second Memory limit: 64 MB Vova bought a ticket in a tram of the 13th route and counted the sums of the first three and the last three digits...
分类:移动开发   时间:2015-03-09 19:12:02    阅读次数:180
URAL
1243. Divorce of the Seven Dwarfs Time limit: 1.0 second Memory limit: 64 MB After the Snow White with her bridegroom had left the house of the seven dwarfs, their peaceful and prosperous...
分类:其他好文   时间:2015-03-09 14:32:35    阅读次数:145
URAL 2023. Donald is a postman (预处理)
2023. Donald is a postman Time limit: 1.0 second Memory limit: 64 MB Donald Duck works as a postman for the Walt Disney Studios. He delivers children’s letters from all over the world to ...
分类:其他好文   时间:2015-03-09 12:55:23    阅读次数:172
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