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题目链接； 题目描述： Petya loves lucky numbers very much. Everybody knows that lucky numbers are positive integers whose decimal record contains only the lucky 阅读全文
posted @ 2018-03-30 13:40
Kevin_Zzzzz
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题目链接； 题面： ...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, h 阅读全文
posted @ 2018-03-30 13:19
Kevin_Zzzzz
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