2017南宁现场赛E The Champion
摘要：
Bob is attending a chess competition. Now the competition is in the knockout phase. There are 2^r2r players now, and they will play over rr rounds. In 阅读全文
posted @ 2018-10-09 20:56 ZefengYao 阅读(617) 评论(0) 推荐(0) 编辑
