摘要: 原题链接:https://codeforces.com/problemset/problem/350/B Valera's finally decided to go on holiday! He packed up and headed for a ski resort. Valera's fan 阅读全文
posted @ 2019-10-12 20:09 陈墨cacm 阅读(161) 评论(0) 推荐(0) 编辑