SCHEDULE LECTURES

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Vivek is the topper of Metallurgy Department and to continue this feat he is planning to attend some Lectures. There are 3 types of Lecture $A$, $B$ and $C$. Lecture $A$ can be attended on any day, lecture $B$ cannot be attended on 2 consecutive days and there must be gap of atleast 2 days to attend Lecture $C$ again. Attending lectures are a tiresome job so he attends only one lecture each day

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solution.cppC++17

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