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Tutorial CodeForces Round 289 (Div.2) (Second Winter Computer Camp Selection 2015) 题解
题目链接:点击打开链接 A:#include #include #include #include #include #include #include #include #include #include using namespace std; int a[12][11]; int main() { for (int i = 0; i <= 10; ++i) ...
分类:Windows程序   时间:2015-02-01 14:52:16    阅读次数:320
【leetcode】Second Highest Salary
原题如下: Write a SQL query to get the second highest salary from the Employee table. +----+--------+ | Id | Salary | +----+--------+ | 1 | 100 | | 2 | 200 | | 3 | 300 | +----+--------+ ...
分类:其他好文   时间:2015-01-31 21:58:12    阅读次数:189
zoj 3538 递推
题目连接:Click here Arrange the Schedule Time Limit: 1 Second      Memory Limit: 65536 KB In Summer 2011, the ZJU-ICPC Team has a n-days training schedule. ZJU-ICPC Team has been divided into ...
分类:其他好文   时间:2015-01-31 13:05:07    阅读次数:294
URAL 1167. Bicolored Horses dp
点击打开链接 1167. Bicolored Horses Time limit: 1.0 second Memory limit: 64 MB Every day, farmer Ion (this is a Romanian name) takes out all his horses, so they may run and play. When th...
分类:其他好文   时间:2015-01-31 12:20:11    阅读次数:235
mysql 时间差函数
语法为:TIMESTAMPDIFF(unit,datetime_expr1,datetime_expr2), SELECT TIMESTAMPDIFF(SECOND, now(), ‘2014-01-27 15:52:11‘) 其中unit单位有如下几种,分别是: FRAC_SECOND?(microseconds), SECOND, MINUTE,...
分类:数据库   时间:2015-01-30 16:18:17    阅读次数:219
隐马尔可夫模型实战
1.17-18:学习HMM模型;1.18-20:学习CRF模型(未完成);1.20-24:应用HMM到具体问题;1.24-27:扩展为second-order HMM(扩展Bi-gram MLE到Tri-gram MLE;扩展Viterbi算法);明确了BW算法不适合正在解决的问题;1.28:在词性...
分类:其他好文   时间:2015-01-30 15:36:58    阅读次数:175
《C++大学教程》(第二版)
《C++大学教程》(第二版) 【原书名】 The Complete C++ Training Course,Second Edition 【作者】 (美)Harvey M.Deitel Paul James Deitel 【译者】 邱仲潘 等 【丛书名】 国外计算机科学教材系列 【出版社】 电子工业...
分类:编程语言   时间:2015-01-30 14:51:42    阅读次数:164
Timus Online Judge1627--- Join
1627. Join Time limit: 4.0 second Memory limit: 64 MB Businessman Petya recently bought a new house. This house has one floor with n × m square rooms, placed in rectangular lattice. Some roo...
分类:其他好文   时间:2015-01-30 09:16:22    阅读次数:166
19. Remove Nth Node From End of List Leetcode Python
Given a linked list, remove the nth node from the end of list and return its head. For example,    Given linked list: 1->2->3->4->5, and n = 2.    After removing the second node from th...
分类:编程语言   时间:2015-01-29 12:44:36    阅读次数:191
查询Linux 开机时间和运行时长
查询开机时间cat/proc/uptime|awk-F.‘{run_days=$1/86400;run_hour=($1%86400)/3600;run_minute=($1%3600)/60;run_second=$1%60;printf("系统已运行:%d天%d时%d分%d秒",run_days,run_hour,run_minute,run_second)}‘查询运行时长date-d"$(awk-F.‘{print$1}‘/proc/uptime)second..
分类:系统相关   时间:2015-01-28 11:21:35    阅读次数:607
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