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Description Heidi's friend Jenny is asking Heidi to deliver an important letter to one of their common friends. Since Jenny is Irish, Heidi thinks tha 阅读全文
posted @ 2017-06-09 00:07
樱花落舞
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Description The marmots have prepared a very easy problem for this year's HC2 – this one. It involves numbers n, k and a sequence of n positive intege 阅读全文
posted @ 2017-06-09 00:02
樱花落舞
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