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时间限制 5000 ms 内存限制 65536 KB 题目描述In a parallel universe, Saber has won the champion of every kind of board games. She even defeated the AI program BetaGo recently! After all the victory she has got, Sab

Hawei Learning C时间限制 1000 ms 内存限制 65536 KB 题目描述Hawei is learning C programming language recently, but he is so naive that he mistakes the ∼ symbol in C for the ¬ symbol in mathemetics. In math calcula