摘要: CF742(Div.2) https://codeforces.com/problemset/problem/1567/A ,签到 https://codeforces.com/problemset/problem/1567/B ,首先答案至少是a,也就是至少要有$0,1,\dots,a-1$这些异 阅读全文
posted @ 2021-09-10 10:30 yoshinow2001 阅读(114) 评论(0) 推荐(1)