Million Dollar Man

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Ronny is an industrialist running a firm DISCO. His total earning on $i$$th$ day is equal to sum of thrice the total earning made by the firm DISCO on previous day and four times the total earning made by the firm DISCO two days back. Your task is to compute total earning made by Ronny on $N$$th$ day. You are given $A$ and $B$ where $A$ denotes total earning made by Ronny on first day and $B$ deno

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solution.cppC++17

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