摘要：
When the monkey professor leaves his class for a short time, all the monkeys go bananas. N monkeys are lined up sitting side by side on their chairs. 阅读全文
摘要：
Old Macdonald wants to build a new hen house for his hens. He buys a new rectangular area of size N by M. The night before he builds the hen house, sn 阅读全文
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The great dog detective Sherlock Bones is on the verge of a new discovery. But for this problem, he needs the help of his most trusted advisor -you- t 阅读全文
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There are two seagulls playing a very peculiar game. First they line up N unit squares in a line, all originally colored white. Let L be the length of 阅读全文