摘要：Problem Description Have you ever played quoit in a playground? Quoit is a game in which flat rings are pitched at some toys, with all the toys encircled awarded.In the field of Cyberground, the posit... 阅读全文

摘要：Problem Description 老师在计算几何这门课上给Eddy布置了一道题目，题目是这样的：给定二维的平面上n个不同的点，要求在这些点里寻找三个点，使他们构成的三角形拥有的面积最大。Eddy对这道题目百思不得其解，想不通用什么方法来解决，因此他找到了聪明的你，请你帮他解决这个题目。 Input 输入数据包含多组测试用例，每个测试用例的第一行包含一个整数n，表示一共有n个互不相同的点... 阅读全文

摘要：Problem Description WisKey的眼镜有500多度,所以眼神不大好,而且他有个习惯,就是走路喜欢看着地(不是为了拣钱哦^_^),所以大家下次碰见他的时候最好主动打下招呼,呵呵.但是Rabbit总是喜欢扮神秘,一天WisKey去食堂排队等着买饭,突然收到一道短消息,是Rabbit发的,”呵呵,又看见你了,你没看到我吧”.WisKey马上拉长脖子扫描食堂,可是就是看不到,再发短信... 阅读全文

摘要：Problem Description There are many secret openings in the floor which are covered by a big heavy stone. When the stone is lifted up, a special mechanism detects this and activates poisoned arrows tha... 阅读全文