摘要: [toc] AtCoder Beginner Contest 161 A ABC Swap 题意 :略。 分析 :略。 cpp include define rep(i, a, b) for (long long i = a; i n; int ans = 1; for (ll i = 2; i i 阅读全文
posted @ 2020-04-04 22:30 st1vdy 阅读(524) 评论(2) 推荐(3) 编辑