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Hopscotch time limit per test 2 seconds time limit per test memory limit per test 256 megabytes memory limit per test input standard input input outpu 阅读全文
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Point on Spiral time limit per test 2 seconds time limit per test memory limit per test 256 megabytes memory limit per test input standard input input 阅读全文
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Arpa and an exam about geometry time limit per test 2 seconds time limit per test memory limit per test 256 megabytes memory limit per test input stan 阅读全文
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Consider two natural numbers A and B. Let S be the sum of all natural divisors of A^B. Determine S modulo 9901 (the rest of the division of S by 9901) 阅读全文
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Farmer John knows that an intellectually satisfied cow is a happy cow who will give more milk. He has arranged a brainy activity for cows in which the 阅读全文