题目大意:在一个N * M的格子中,放有一些糖,这些糖有的会损害健康,有的对健康有益.有损害的被记为负数,有益的会记为正数.另外,对于每一个糖而言,他都比左边的糖和上面的糖更健康. 现在我要在在N*M这个矩阵中找到一个子矩阵,使得所有糖的有益值加起来最大. 题目已经是简化了的.糖果按照左上最小,右下最大的顺序排列好了.所以很明显从右下角的糖是肯定要拿走的,所以从这个格子开始枚举.但是枚举的话会超时,该怎么处理呢? 再想一下,发现题目不涉及更新操作,只有求和的部分.所以可以预处理出所有的和,并存在…

C. Om Nom and Candies Time Limit: 1 Sec  Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/526/problem/C Description A sweet little monster Om Nom loves candies very much. One day he found himself in a rather tricky situation that required him…

传送门 C. Om Nom and Candies time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output A sweet little monster Om Nom loves candies very much. One day he found himself in a rather tricky situation that r…

At the beginning of the semester in kindergarten, the n little kids (indexed from 1 to n, for convenience) in class need to elect their new leader. The ith kid will vote for his best friend fi (where 1 ≤ fi ≤ n, and it's too shame to vote for yoursel…

A. Feed with Candy time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output The hero of the Cut the Rope game is a little monster named Om Nom. He loves candies. And what a coincidence! He also is…

pid=5380">链接 题解链接:http://www.cygmasot.com/index.php/2015/08/16/hdu_5380 题意: n C 一条数轴上有n+1个加油站,起点在0,终点在n.车的油箱容量为C 以下n个数字表示每一个加油站距离起点的距离. 以下n+1行表示每一个加油站买进和卖出一单位油的价格.油能够买也能够卖. 问开到终点的最小花费. 思路: 把油箱保持装满.然后维护一个价格单调递增的队列. #pragma comment(linker, "/ST…

微软新任CEO纳德拉提出的“Microsoft Loves Linux”,并且微软宣布.NET框架的开源,近期Microsoft不但宣布了Linux平台的SQL Server,还宣布了Microsoft将重新建立对开源软件的支持,包括对Xamarin的收购,以及加入Eclipse基金会. SQL Server将会在 Linux上提供核心关系型数据库功能,旨在让SQL Server成为横跨Windows服务器和Linux的数据平台.目前有很多使用Linux但希望使用MS SQL Server的企业…

传送门 NanoApe Loves Sequence Ⅱ Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 262144/131072 K (Java/Others)Total Submission(s): 1585    Accepted Submission(s): 688 Description NanoApe, the Retired Dog, has returned back to prepare for for the…

传送门 NanoApe Loves Sequence Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 262144/131072 K (Java/Others) Total Submission(s): 1323    Accepted Submission(s): 521 Description NanoApe, the Retired Dog, has returned back to prepare for the Natio…

C. DZY Loves Colors time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output DZY loves colors, and he enjoys painting. On a colorful day, DZY gets a colorful ribbon, which consists of n units (they…