2018年9月25日
CodeForce--Benches
摘要： A. Benches A. Benches There are nn benches in the Berland Central park. It is known that aiai people are currently sitting on the ii-th bench. Another 阅读全文
posted @ 2018-09-25 21:30 Hacklover 阅读(386) 评论(0) 推荐(0) 编辑