2019年4月6日
Jury Meeting CodeForces - 854D （前缀和维护）
摘要： Country of Metropolia is holding Olympiad of Metrpolises soon. It mean that all jury members of the olympiad should meet together in Metropolis (the c 阅读全文
posted @ 2019-04-06 00:10 茄子Min 阅读(320) 评论(0) 推荐(0) 编辑