2020年9月16日
Codeforces Round #669 (Div. 2) D
摘要： ##题目 There are n beautiful skyscrapers in New York, the height of the i-th one is hi. Today some villains have set on fire first n−1 of them, and now 阅读全文
posted @ 2020-09-16 20:55 Luglucky 阅读(115) 评论(0) 推荐(0) 编辑