摘要： http://poj.org/problem?id=2488 Description Background The knight is getting bored of seeing the same black and white squares again and again and has d 阅读全文

摘要： http://poj.org/problem?id=1426 Description Given a positive integer n, write a program to find out a nonzero multiple m of n whose decimal representat 阅读全文

摘要： http://poj.org/problem?id=3083 Description The cornfield maze is a popular Halloween treat. Visitors are shown the entrance and must wander through th 阅读全文

摘要： http://acm.sdut.edu.cn/sdutoj/problem.php?action=showproblem&problemid=1157 题目描述 小鼠a与小鼠b身处一个m×n的迷宫中，如图所示。每一个方格表示迷宫中的一个房间。这m×n个房间中有一些房间是封闭的，不允许任何人进入。在迷 阅读全文

摘要： http://poj.org/problem?id=2049 Description Nemo is a naughty boy. One day he went into the deep sea all by himself. Unfortunately, he became lost and 阅读全文

摘要： http://acm.hdu.edu.cn/showproblem.php?pid=1180 Problem Description Hogwarts正式开学以后,Harry发现在Hogwarts里,某些楼梯并不是静止不动的，相反,他们每隔一分钟就变动一次方向. 比如下面的例子里,一开始楼梯在竖直方 阅读全文

摘要： Dungeon Master Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 16748 Accepted: 6522 Description You are trapped in a 3D dungeon and need to 阅读全文

摘要： http://poj.org/problem?id=1062 Description 年轻的探险家来到了一个印第安部落里。在那里他和酋长的女儿相爱了，于是便向酋长去求亲。酋长要他用10000个金币作为聘礼才答应把女儿嫁给他。探险家拿不出这么多金币，便请求酋长降低要求。酋长说："嗯，如果你能够替我弄到 阅读全文

摘要： http://acm.hdu.edu.cn/showproblem.php?pid=5012 Problem Description There are 2 special dices on the table. On each face of the dice, a distinct number 阅读全文

摘要： http://poj.org/problem?id=1860 Description Several currency exchange points are working in our city. Let us suppose that each point specializes in two 阅读全文

摘要： http://poj.org/problem?id=1789 Description Advanced Cargo Movement, Ltd. uses trucks of different types. Some trucks are used for vegetable delivery, 阅读全文

摘要： http://poj.org/problem?id=2485 Description The island nation of Flatopia is perfectly flat. Unfortunately, Flatopia has no public highways. So the tra 阅读全文

摘要： http://poj.org/problem?id=1258 Description Farmer John has been elected mayor of his town! One of his campaign promises was to bring internet connecti 阅读全文

摘要： http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemCode=2833 A friend is like a flower, a rose to be exact, Or maybe like a brand new gate that n 阅读全文

摘要： http://poj.org/problem?id=1182 Description 动物王国中有三类动物A,B,C，这三类动物的食物链构成了有趣的环形。A吃B， B吃C，C吃A。 现有N个动物，以1－N编号。每个动物都是A,B,C中的一种，但是我们并不知道它到底是哪一种。 有人用两种说法对这N个动 阅读全文