Efficient Delivery

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Salmon runs a fish delivery company in Fish City. Fish City has $N$ vertical roads numbered $1, 2, ..., N$ from left to right, each spaced 1 unit apart; similarly, there are $M$ horizontal roads numbered $1, 2, ..., M$ from bottom to top, each spaced 1 unit apart. We will denote the intersection between the $x$-th vertical road and the $y$-th horizontal road as $(x, y)$. Salmon has to make $K$

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solution.cppC++17

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