gzhu_101majia
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数塔
Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 7404 Accepted Submission(s): 4412
Problem Description
在讲述DP算法的时候，一个经典的例子就是数塔问题，它是这样描述的：有如下所示的数塔 ...
Air Raid
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 1313 Accepted Submission(s): 831
Problem Description
Consider a town where all the streets are one-way and each street leads from one intersection to another. It is also known that s ...
Strategic Game
Time Limit: 20000/10000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 1760 Accepted Submission(s): 742
Problem Description
Bob enjoys playing computer games, especially strategic games, but sometimes he cannot find the solution fast enough and ...
棋盘游戏
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 852 Accepted Submission(s): 492
Problem Description
小希和Gardon在玩一个游戏：对一个N*M的棋盘，在格子里放尽量多的一些国际象棋里面的“车”，并且使得他们不能互相攻击，这当然很简单，但是Gardon限制了只有某些格子才可以放，小希还是很轻松的解决了这个问题（见下图）注意不能放车的地方不影响车的互相攻击。 所以 ...
Girls and Boys
Time Limit: 20000/10000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 3260 Accepted Submission(s): 1405
Problem Description
the second year of the university somebody started a study on the romantic relations between the students. The r ...
Fire Net
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 2427 Accepted Submission(s): 1380
Problem Description
Suppose that we have a square city with straight streets. A map of a city is a square board with n rows and n columns, each rep ...
HDU Today
Time Limit: 15000/5000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3816 Accepted Submission(s): 908
Problem Description
经过锦囊相助，海东集团终于度过了危机，从此，HDU的发展就一直顺风顺水，到了2050年，集团已经相当规模了，据说进入了钱江肉丝经济开发区500强。这时候，XHD夫妇也退居了二线，并在风景秀美的诸暨市浬浦镇陶姚村买了个房子，开始安度晚年了。这样住了一段时间 ...
过山车
Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3105 Accepted Submission(s): 1298
Problem Description
RPG girls今天和大家一起去游乐场玩，终于可以坐上梦寐以求的过山车了。可是，过山车的每一排只有两个座位，而且还有条不成文的规矩，就是每个女生必须找个个男生做partner和她同坐。但是，每个女孩都有各自的想法，举个例子把，Rabbit只愿意和XHD或PQK做p ...
A Walk Through the Forest
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 2183 Accepted Submission(s): 787
Problem Description
Jimmy experiences a lot of stress at work these days, especially since his accident made working difficult. To r ...
Minimum Transport Cost
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 2649 Accepted Submission(s): 651
Problem Description
These are N cities in Spring country. Between each pair of cities there may be one transportation track or none. No ...
Bus System
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2724 Accepted Submission(s): 677
Problem Description
Because of the huge population of China, public transportation is very important. Bus is an important transportation method in ...
Einbahnstrasse
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 783 Accepted Submission(s): 209
Problem Description
Einbahnstra e (German for a one-way street) is a street on which vehicles should only move in one direction. One reason for ...
最短路
Time Limit: 5000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 7471 Accepted Submission(s): 3179
Problem Description
在每年的校赛里，所有进入决赛的同学都会获得一件很漂亮的t-shirt。但是每当我们的工作人员把上百件的衣服从商店运回到赛场的时候，却是非常累的！所以现在他们想要寻找最短的从商店到赛场的路线，你可以帮助他们吗？
Input
输入包括多组数据。每组数据第一行 ...
一个人的旅行
Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 5994 Accepted Submission(s): 1995
Problem Description
虽然草儿是个路痴（就是在杭电待了一年多，居然还会在校园里迷路的人，汗~),但是草儿仍然很喜欢旅行，因为在旅途中 会遇见很多人（白马王子，^0^），很多事，还能丰富自己的阅历，还可以看美丽的风景……草儿想去很多地方，她想要去东京铁塔看夜景，去威尼斯看电影，去阳明 ...
find the safest road
Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1746 Accepted Submission(s): 678
Problem Description
XX星球有很多城市，每个城市之间有一条或多条飞行通道，但是并不是所有的路都是很安全的，每一条路有一个安全系数s,s是在 0 和 1 间的实数(包括0，1)，一条从u 到 v 的通道P 的安全度为Safe(P) = s(e1)*s(e ...