摘要：There are nn people at the round gaming table. Each of them has a set of cards. Every card contains some number xx. Players make turns consecutively, 阅读全文

摘要：百度科技园内有nn个零食机，零食机之间通过n−1n−1条路相互连通。每个零食机都有一个值vv，表示为小度熊提供零食的价值。 由于零食被频繁的消耗和补充，零食机的价值vv会时常发生变化。小度熊只能从编号为0的零食机出发，并且每个零食机至多经过一次。另外，小度熊会对某个零食机的零食有所偏爱，要求路线上必 阅读全文

摘要：Mario is world-famous plumber. His “burly” figure and amazing jumping ability reminded in our memory. Now the poor princess is in trouble again and Ma 阅读全文

摘要：给定平面上若干矩形,求出被这些矩形覆盖过至少两次的区域的面积. Input输入数据的第一行是一个正整数T(1<=T<=100),代表测试数据的数量.每个测试数据的第一行是一个正整数N(1<=N<=1000),代表矩形的数量,然后是N行数据,每一行包含四个浮点数,代表平面上的一个矩形的左上角坐标和右下 阅读全文

摘要：There are several ancient Greek texts that contain descriptions of the fabled island Atlantis. Some of these texts even include maps of parts of the i 阅读全文