Operations on a Matrix

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"It's totally fun to play troublemakers ― totally." - Lee Pace Sakshi had a matrix with $N$ rows (numbered $1$ through $N$) and $M$ columns (numbered $1$ through $M$). Initially, all cells of this matrix contained $0$-s. Let's denote a cell in row $r$ and column $c$ by $(r, c)$. Sakshi is well-known for troubling others. This time, her friends Nikki and Mansi planned to take revenge and teac

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solution.cppC++17

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