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全部文章（共733篇）

2015多校联合第十场 hdu5414CRB and String字符串思维题

Problem Description CRB has two strings s and t. In each step, CRB can select arbitrary character c of s and insert any character d (d ≠ c) just aft...

2015-08-21

0 370

Power Network 网络流入门题)

这个题一看到字符串处理我就烦啊烦== 在小伙伴的帮助下可算是知道怎么改对了万恶的格式（你怎么不说自己学的不好-->_-->） Description A power network consists of nodes (power stations...

2015-08-21

0 665

hdu1532Drainage Ditches裸的网络流

Problem Description Every time it rains on Farmer John's fields, a pond forms over Bessie's favorite clover patch. This means that the clover is ...

hdu 网络流

2015-08-21

0 785

2015多校联合第十场hdu5410CRB and His Birthday 01背包+完全背包

Problem Description Today is CRB's birthday. His mom decided to buy many presents for her lovely son. She went to the nearest shop with M W...

2015-08-21

0 638

“完全背包”详解及实现（包含背包具体物品的求解）

前言：由于2015多校题 CRB and His Birthday 发现自己完全背包并不是很会T^T 搜了题解看到这篇文章 mark一下~ -----Edit by ZhuSenlin HDU 完全背包是在N种物品中选取若干件（同一种物品可多次选取）放在空间为V的背包里，...

2015-08-21

0 733

POJ 3159 Candies差分约束系统 spfa 附：各种最短路比较

Description During the kindergarten days, flymouse was the monitor of his class. Occasionally the head-teacher brought the kids of fly...

2015-08-21

0 595

POJ 1860 Currency Exchange spfa

Description Several currency exchange points are working in our city. Let us suppose that each point specializes in two particular currencies and ...

poj 算法 spfa

2015-08-21

0 679

POJ 2240 Arbitrage floyd

Description Arbitrage is the use of discrepancies in currency exchange rates to transform one unit of a currency into more than one unit of the sa...

poj 算法 floyd

2015-08-21

0 677

POJ 3268 Silver Cow Party

Description One cow from each of N farms (1 ≤ N ≤ 1000) conveniently numbered 1..N is going to attend the big cow party to be held at farm ...

2015-08-21

0 447

hdu1599 find the mincost route

Problem Description 杭州有N个景区，景区之间有一些双向的路来连接，现在8600想找一条旅游路线，这个路线从A点出发并且最后回到A点，假设经过的路线为V1,V2,....VK,V1,那么必须满足K>2,就是说至除了出发点以外至少要经过2个其他不同的景区，而且不能重复...

hdu 算法最小环

2015-08-20

0 635