2016年2月21日
【Usaco2015 FEB】Cow Hopscotch (Gold)
摘要： Just like humans enjoy playing the game of Hopscotch, Farmer John's cows have invented a variant of the game for themselves to play. Being played by c 阅读全文
posted @ 2016-02-21 16:30 jszyxw 阅读(300) 评论(0) 推荐(0) 编辑