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B. Anton and LinesThe teacher gave Anton a large geometry homework, but he didn't do it (as usual) as he participated in a regular round on Codeforces... 阅读全文
posted @ 2015-11-05 12:46
meekyan
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摘要：
A. 2CharAndrew often reads articles in his favorite magazine 2Char. The main feature of these articles is that each of them uses at most two distinct ... 阅读全文
posted @ 2015-11-05 12:39
meekyan
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