这是四川大学 2009年校赛初赛的题目 可以给小菜做一下 其实还是有点难度的 This is a school of Sichuan University in 2009 the subject of the preliminary round game to the side dishes can do something a little bit difficult but it is still (2010-05-03, C/C++, 1KB, 下载2次)