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Description Tom is the most handsome CCPC contestant in HIT.Tom likes Zero. For a given positive integer n, he wants to know the minimum non_negativei 阅读全文
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Description Tom is the most handsome CCPC contestant in HIT.Tom has a PE exam. So he must run 2400 meters. As we all know, one circle of runways is400 阅读全文
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The GeoSurvComp geologic survey company is responsible for detecting underground oil deposits. GeoSurvComp works with one large rectangular region of 阅读全文
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people in USSS love math very much, and there is a famous math problem . give you two integers nn ,aa ,you are required to find 22 integers bb ,cc suc 阅读全文