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Scales Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 3148 Accepted: 851 Description Farmer John has a balance for weighing the cows. He a 阅读全文
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River Hopscotch Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 15273 Accepted: 6465 Description Every year the cows hold an event featurin 阅读全文
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Description Farmer John's N (1 <= N <= 50,000) cows (numbered 1..N) are planning to run away and join the circus. Their hoofed feet prevent them from 阅读全文
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A natural number, N, that can be written as the sum and product of a given set of at least two natural numbers, {a1, a2, ... , ak} is called a product 阅读全文