2023年1月19日
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Problem DescriptionWe all know that Bin-Laden is a notorious terrorist, and he has disappeared for a long time. But recently, it is reported that he h 阅读全文
posted @ 2023-01-19 11:44
ruoye123456
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Problem DescriptionPeople in Silverland use square coins. Not only they have square shapes but also their values are square numbers. Coins with values 阅读全文
posted @ 2023-01-19 10:37
ruoye123456
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