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A. Search for Pretty Integers You are given two lists of non-zero digits. Let's call an integer pretty if its (base 10) representation has at least on 阅读全文
posted @ 2017-10-15 21:43
天之道，利而不害
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摘要：
A new dog show on TV is starting next week. On the show dogs are required to demonstrate bottomless stomach, strategic thinking and self-preservation 阅读全文
posted @ 2017-10-15 19:16
天之道，利而不害
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