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Shinku is very interested in the set. One day, she got nnn sets, and the iii-th number aia_iai is in the iii-th set. But she doesn't think it is inte 阅读全文
posted @ 2019-07-07 22:03
Through_The_Night
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Jerome just got several large houses as his 18th18^{th}18th birthday gifts. To decorate one of these houses, he intends to place several carpets in hi 阅读全文
posted @ 2019-07-07 16:06
Through_The_Night
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Once upon a time, in the mystical continent, there is a frog kingdom, ruled by the oldest frog, the Elder. The kingdom consists of N cities, numbered 阅读全文
posted @ 2019-07-07 11:41
Through_The_Night
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