http://acm.hdu.edu.cn/showproblem.php?pid=2036Problem Description“ 改革春风吹满地,不会AC没关系;实在不行回老家，还有一亩三分地。谢谢!（乐队奏乐）”话说部分学生心态极好，每天就知道游戏，这次考试如此简单的题目，也是云里雾里，而且，还竟然来这么几句打油诗。好呀，老师的责任就是帮你解决问题，既

点击打开链接Recently in Farland, a country in Asia, a famous scientist Mr. Log Archeo has discovered ancient pyramids. But unlike those in Egypt and Central America, they have triangular (not rectangula

点击打开链接DescriptionCalculate the number of toys that land in each bin of a partitioned toy box. Mom and dad have a problem - their child John never puts his toys away when he is finished

点击打开链接Stan has n sticks of various length. He throws them one at a time on the floor in a random way. After finishing throwing, Stan tries to find the top sticks, that is these sticks such that th

点击打开链接In a wireless network with multiple transmitters sending on the same frequencies, it is often a requirement that signals don't overlap, or at least that they don't conflict. One way of accompl

点击打开链接Given two circles on the same plane which are centered at (x1,y1) and (x2,y2) ,with radiuses r1 and r2, respectively.We can see that they have two common tangent lines in most of the cases

点击打开链接DescriptionA lattice point is an ordered pair (x, y) where x and y are both integers. Given the coordinates of the vertices of a triangle (which happen to be lattice points), you are to co

描述Given a polygon, your task is to find the centre of gravity for the given polygon.输入The input consists of T test cases. The number of them (T) is given on the first line of the input f

http://poj.org/problem?id=2187DescriptionBessie, Farmer John's prize cow, has just won first place in a bovine beauty contest, earning the title 'Miss Cow World'. As a result, Bessie will make

http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemId=453There are a lot of trees in an area. A peasant wants to buy a rope to surround all these trees. So at first he must know the minimal r

http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemId=81Statement of the Problem Several drawing applications allow us to draw polygons and almost all of them allow us to fill them with some

点击打开链接DescriptionInput第一行为N(0 Output从小到大输出可见直线的编号，两两中间用空格隔开.Sample Input3-1 01 00 0Sample Output1 2YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY首先处理直线将斜率相同的按B值得大小排序