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题目链接 Gildong owns a bulgogi restaurant. The restaurant has a lot of customers, so many of them like to make a reservation before visiting it. Gildong 阅读全文
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In the Kingdom of AtCoder, only banknotes are used as currency. There are10100+110^{100}+110100+1 kinds of banknotes, with the values of 1,10,102,103, 阅读全文
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题目链接 Dima loves representing an odd number as the sum of multiple primes, and Lisa loves it when there are at most three primes. Help them to represen 阅读全文