题目描述 Excel是最常用的办公软件。每个单元格都有唯一的地址表示。比如：第12行第4列表示为：“D12”， […]

题目描述 一个N位的十进制正整数，如果它的每个位上的数字的N次方的和等于这个数本身，则称其为花朵数。 例如： […]

题目描述 You are competing in a ski slalom, and you need to […]

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题目描述 Joe works in a maze. Unfortunately, portions of th […]

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题目描述 Seller: That will be fourteen dollars. Buyer: Here […]