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A. Game 23 Description Polycarp plays "Game 23". Initially he has a number 𝑛n and his goal is to transform it to 𝑚m. In one move, he can multiply 𝑛 阅读全文
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A. Vova and Train Description Vova plans to go to the conference by train. Initially, the train is at the point 11 and the destination point of the pa 阅读全文
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在农场万圣节Trick or Treat on the Farm Description 每年,在威斯康星州,奶牛们都会穿上衣服,收集农夫约翰在N(1<=N<=100,000)个牛棚隔间中留下的糖果,以此来庆祝美国秋天的万圣节。 由于牛棚不太大,FJ通过指定奶牛必须遵循的穿越路线来确保奶牛的乐趣。为 阅读全文