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全部文章（共388篇）

hdu1272——小希的迷宫

上次Gardon的迷宫城堡小希玩了很久（见Problem B），现在她也想设计一个迷宫让Gardon来走。但是她设计迷宫的思路不一样，首先她认为所有的通道都应该是双向连通的，就是说如果有一个通道连通了房间A和B，那么既可以通过它从房间A走到房间B，也可以通过它从房间B走到房间A，为了提高难度，小希希...

2021-04-05

0 727

poj1308——Is It A Tree?

A tree is a well-known data structure that is either empty (null, void, nothing) or is a set of one or more nodes connected by directed edges between ...

2021-04-05

0 561

hdu1787——GCD Again

Do you have spent some time to think and try to solve those unsolved problem after one ACM contest? No? Oh, you must do this when you want to become ...

2021-04-05

0 474

hdu1717——小数化分数2

Ray 在数学课上听老师说，任何小数都能表示成分数的形式，他开始了化了起来，很快他就完成了，但他又想到一个问题，如何把一个循环小数化成分数呢? 请你写一个程序不但可以将普通小数化成最简分数，也可以把循环小数化成最简分数。 Input 第一行是一个整数N，表示有多少组数据。每组数据只有一个纯...

2021-04-05

0 731

hdu1716——排列2

Ray又对数字的列产生了兴趣：现有四张卡片，用这四张卡片能排列出很多不同的4位数，要求按从小到大的顺序输出这些4位数。 Input 每组数据占一行，代表四张卡片上的数字（0<=数字<=9），如果四张卡片都是0，则输入结束。 Output 对每组卡片按从小到大的顺序输出所有能由...

2021-04-05

0 595

poj2387——Til the Cows Come Home

Bessie is out in the field and wants to get back to the barn to get as much sleep as possible before Farmer John wakes her for the morning milking. Be...

2021-04-05

0 554

poj2253——Frogger

Freddy Frog is sitting on a stone in the middle of a lake. Suddenly he notices Fiona Frog who is sitting on another stone. He plans to visit her, but ...

2021-04-05

0 685

poj1797——Heavy Transportation

Background Hugo Heavy is happy. After the breakdown of the Cargolifter project he can now expand business. But he needs a clever man who tells him wh...

2021-04-05

0 791

poj3268——Silver Cow Party

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 #X (1 ≤ X ≤ N). A total...

2021-04-05

0 673

poj1860——Currency Exchange

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

2021-04-05

0 813