Greedy DD

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Dexter, being irritated by DD, gave her a lucrative game to play to keep her busy. There are $N$ bags numbered $1$ to $N$. The $i_{th}$ bag contains $A_i$ coins. The bags are placed in a circular order such that the $N_{th}$ bag is adjacent to the $1^{st}$ bag. DD can select $K$ consecutive adjacent bags and take all the coins in them. Help her find the maximum number of coins she can tak

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solution.cppC++17

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