2018年4月30日
Codeforces Round #477 (rated, Div. 2, based on VK Cup 2018 Round 3) C. Stairs and Elevators【二分查找】
摘要： In the year of 30XX30XX participants of some world programming championship live in a single large hotel. The hotel has nn floors. Each floor has mm s 阅读全文
posted @ 2018-04-30 10:51 晓风微微 阅读(526) 评论(0) 推荐(0)