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全部文章（共388篇）

hdu1016——Prime Ring Problem

A ring is compose of n circles as shown in diagram. Put natural number 1, 2, …, n into each circle separately, and the sum of numbers in two adjacent ...

2021-04-05

0 501

poj2676——Sudoku

Sudoku is a very simple task. A square table with 9 rows and 9 columns is divided to 9 smaller squares 3x3 as shown on the Figure. In some of the cell...

2021-04-05

0 725

hdu4857——逃生

糟糕的事情发生啦，现在大家都忙着逃命。但是逃命的通道很窄，大家只能排成一行。现在有n个人，从1标号到n。同时有一些奇怪的约束条件，每个都形如：a必须在b之前。同时，社会是不平等的，这些人有的穷有的富。1号最富，2号第二富，以此类推。有钱人就贿赂负责人，所以他们有一些好处。负责人现在可以安...

2021-04-05

0 710

fzu1096——QS Network

In the planet w-503 of galaxy cgb, there is a kind of intelligent creature named QS. QScommunicate with each other via networks. If two QS want to get...

2021-04-05

0 441

poj2031——Building a Space Station

You are a member of the space station engineering team, and are assigned a task in the construction process of the station. You are expected to write ...

2021-04-05

0 444

poj1751——Highways

The island nation of Flatopia is perfectly flat. Unfortunately, Flatopia has a very poor system of public highways. The Flatopian government is aware ...

2021-04-05

0 559

poj1679——The Unique MST

Given a connected undirected graph, tell if its minimum spanning tree is unique. Definition 1 (Spanning Tree): Consider a connected, undirected gr...

2021-04-05

0 542

poj3026——Borg Maze

The Borg is an immensely powerful race of enhanced humanoids from the delta quadrant of the galaxy. The Borg collective is the term used to describe t...

2021-04-05

0 416

poj1789——Truck History

Advanced Cargo Movement, Ltd. uses trucks of different types. Some trucks are used for vegetable delivery, other for furniture, or for bricks. The com...

2021-04-05

0 548

hdu1102——Constructing Roads

There are N villages, which are numbered from 1 to N, and you should build some roads such that every two villages can connect to each other. We say t...

2021-04-05

0 588