2017年6月21日
洛谷P2859 [USACO06FEB]摊位预订Stall Reservations
摘要： P2859 [USACO06FEB]摊位预订Stall Reservations 题目描述 Oh those picky N (1 <= N <= 50,000) cows! They are so picky that each one will only be milked over some 阅读全文
posted @ 2017-06-21 17:00 嘒彼小星 阅读(304) 评论(0) 推荐(0) 编辑