摘要: 链接: https://codeforces.com/contest/1251/problem/D 题意: You are the head of a large enterprise. n people work at you, and n is odd (i. e. n is not divis 阅读全文
posted @ 2019-11-02 11:10 YDDDD 阅读(109) 评论(0) 推荐(0) 编辑