csdn_muxin的博客

link:http://acm.hdu.edu.cn/showproblem.php?pid=1068 Problem Descriptionthe second year of the university somebody started a study on the romantic relations between the students. The relation “romantic

link：http://acm.hdu.edu.cn/showproblem.php?pid=2063Problem DescriptionRPG girls今天和大家一起去游乐场玩，终于可以坐上梦寐以求的过山车了。可是，过山车的每一排只有两个座位，而且还有条不成文的规矩，就是每个女生必须找个个男生做partner和她同坐。但是，每个女孩都有各自的想法，举个例子把，Rabbit只愿意和XHD或PQK

link:http://poj.org/problem?id=3041 DescriptionBessie wants to navigate her spaceship through a dangerous asteroid field in the shape of an N x N grid (1 <= N <= 500). The grid contains K asteroids (1