摘要: Educational Codeforces Round 80 比赛链接: "Educational Codeforces Round 80" A Deadline 由 $ x + \frac{d}{x + 1} = (x + 1) + \frac{d}{(x + 1)} 1$ , $f(x) = 阅读全文
posted @ 2020-01-18 21:34 Frnas 阅读(134) 评论(0) 推荐(0)
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