摘要: https://vjudge.net/contest/66989#problem/C You have N integers, A1, A2, ... , AN. You need to deal with two kinds of operations. One type of operation 阅读全文
posted @ 2019-04-22 21:00 zuiaimiusi 阅读(178) 评论(0) 推荐(0) 编辑