2020年7月19日
CF940E Cashback 线段树优化DP
摘要： 题目描述 Since you are the best Wraith King, Nizhniy Magazin «Mir» at the centre of Vinnytsia is offering you a discount. You are given an array a a a of 阅读全文
posted @ 2020-07-19 14:31 liuchanglc 阅读(179) 评论(0) 推荐(1) 编辑