摘要： Basic Wall Maze Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 3384 Accepted: 1525 Special Judge Description In this problem you have to s 阅读全文

摘要： Bin Packing Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 6410 Accepted: 2894 Description A set of n 1-dimensional items have to be packe 阅读全文

摘要： Defining Moment Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 1660 Accepted: 760 Description As a homework assignment, you have been task 阅读全文

摘要： Running a taxi station is not all that simple. Apart from the obvious demand for a centralised coordination of the cabs in order to pick up the custom 阅读全文

摘要： Asteroids POJ - 3041 Bessie wants to navigate her spaceship through a dangerous asteroid field in the shape of an N x N grid (1 <= N <= 500). The grid 阅读全文

摘要： An arithmetic progression is such a non-empty sequence of numbers where the difference between any two successive numbers is constant. This constant n 阅读全文

摘要： Acm is a clever boy, and he developed a new game form the old Stone-Forfex-Cloth game. In this game, a number of children sit in a circle, each one sh 阅读全文

摘要： The pH scale measures the concentration of protons (H +) in a solution and, therefore, its acidity or alkalinity. The pH value of a solution is a numb 阅读全文

摘要： 曾经，Lele和他姐姐最喜欢，玩得最久的游戏就是俄罗斯方块(Tetris)了。 渐渐得，Lele发觉，玩这个游戏只需要手快而已，几乎不用经过大脑思考。 所以，Lele想出一个新的玩法。 Lele和姐姐先拿出一块长方形的棋盘，这个棋盘有些格子是不可用的，剩下的都是可用的。Lele和姐姐拿出俄罗斯方块里 阅读全文

摘要： A tournament is a directed graph without self-loops in which every pair of vertexes is connected by exactly one directed edge. That is, for any two ve 阅读全文