2018年10月3日

2018SDIBT_国庆个人第三场

摘要： A - A CodeForces - 1042A There are nn benches in the Berland Central park. It is known that aiai people are currently sitting on the ii-th bench. Anot 阅读全文

posted @ 2018-10-03 17:46 一只小毛球 阅读(263) 评论(0) 推荐(0)

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