2019年4月27日
codeforces510D
摘要： Fox And Jumping CodeForces - 510D Fox Ciel is playing a game. In this game there is an infinite long tape with cells indexed by integers (positive, ne 阅读全文
posted @ 2019-04-27 22:44 yccdu 阅读(137) 评论(0) 推荐(0) 编辑