2015年11月19日
hdu 2642 Stars
摘要： Problem Description Yifenfei is a romantic guy and he likes to count the stars in the sky. To make the problem easier,we considerate the sky is a tw... 阅读全文
posted @ 2015-11-19 21:33 (慎独) 阅读(162) 评论(0) 推荐(0) 编辑