2015年7月31日
HDU 5334 Virtual Participation（2015多校第四场）
摘要： Problem DescriptionAs we know, Rikka is poor at math. Yuta is worrying about this situation, so he asks rikka to have some practice on codeforces. The... 阅读全文
posted @ 2015-07-31 16:01 HGF 阅读(186) 评论(0) 推荐(0)