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Problem H{sum+=i++} to Reach NInput:standard inputOutput:standard outputMemory Limit:32 MBAll the positive numbers can be expressed as a sum of one, t... 阅读全文
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Problem ASummation of Four PrimesInput:standard inputOutput:standard outputTime Limit:4 secondsEuler proved in one of his classic theorems that prime ... 阅读全文
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GCDProblem DescriptionGiven 5 integers: a, b, c, d, k, you're to find x in a...b, y in c...d that GCD(x, y) = k. GCD(x, y) means the greatest common d... 阅读全文
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RewardProblem DescriptionDandelion's uncle is a boss of a factory. As the spring festival is coming , he wants to distribute rewards to his workers. N... 阅读全文
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Harry Potter and the Hide StoryProblem DescriptioniSea is tired of writing the story of Harry Potter, so, lucky you, solving the following problem is ... 阅读全文