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题目描述 We have a sandglass consisting of two bulbs, bulb A and bulb B. These bulbs contain some amount of sand. When we put the sandglass, either bulb A 阅读全文
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题目描述 Find the smallest possible sum of the digits in the decimal notation of a positive multiple of K.Constraints2≤K≤105K is an integer. 输入 Input is g 阅读全文
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链接：https://www.nowcoder.com/acm/contest/143/D来源：牛客网 题目描述 Kanade has an even number n and a permutation b of all of the even numbers in [1,n] Let a den 阅读全文