Coal Mafia and Toll Tax

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You are one of the notorious coal mafias. You run an illegal coal mining business. There are $n$ villages, enumerated from $1$ to $n$ from left to right. Each village has some coal mines. This information is given to you by an integer $coal_i$ denoting the amount of coal (in kgs) in village $i$. The cost of coal is fixed at 1 rupee per kg. There are toll booths in the highway at the middle of the

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solution.cppC++17

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