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Problem Description Once upon a time, in the Kingdom of Loowater, a minor nuisance turned into a major problem. The shores of Rellau Creek in central 阅读全文
posted @ 2014-11-22 21:39
wojiaohuangyu
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Problem Description A ring is compose of n circles as shown in diagram. Put natural number 1, 2, ..., n into each circle separately, and the sum of nu 阅读全文
posted @ 2014-11-22 10:41
wojiaohuangyu
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