2019年11月10日
【Codeforces Beta Round #26 D】Tickets
摘要： "题目链接" Tickets Introduce As a big fan of Formula One, Charlie is really happy with the fact that he has to organize ticket sells for the next Grand Pr 阅读全文
posted @ 2019-11-10 22:28 oblivionl 阅读(102) 评论(0) 推荐(0)