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H.Ryuji doesn't want to study 27.34% 1000ms 262144K Ryuji is not a good student, and he doesn't want to study. But there are n books he should learn, 阅读全文
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F. Features Track Morgana is learning computer vision, and he likes cats, too. One day he wants to find the cat movement from a cat video. To do this, 阅读全文
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Codeforces Round #504 (rated, Div. 1 + Div. 2, based on VK Cup 2018 Final) A. Single Wildcard Pattern Matching 题意就是匹配字符的题目,打比赛的时候没有看到只有一个" * ",然后就写挫了, 阅读全文