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摘要： 问题描述 Bill is trying to compactly represent sequences of capital alphabetic characters from 'A' to 'Z' by folding repeating subsequences inside them. F 阅读全文

摘要： 问题描述 Marsha and Bill own a collection of marbles. They want to split the collection among themselves so that both receive an equal share of the marble 阅读全文