摘要：
Rather than drinking happy water, Guanguan loves storing happy water. So he bought a refrigerator and stored a_iai bottles of cola into it every day. 阅读全文
摘要：
As we all know, Honk has nn pools, numbered as 11 ~ nn . There is a_iai liters water in the ii-th pool. Every day, Honk will perform the following op 阅读全文
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Dawn-K recently discovered a very magical phenomenon in the supermarket of Northeastern University: The large package is not necessarily more expensiv 阅读全文
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You are fighting with Zmei Gorynich — a ferocious monster from Slavic myths, a huge dragon-like reptile with multiple heads! Initially Zmei Gorynich h 阅读全文