Matrix Game

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Michael and Trevor are best friends, they love to play with matrices in mathematics, so they decided to play a game. They are having a rectangular matrix in the form of xy-plane. They have $N$ points $(x_i,y_i)$ on which one can go at any instant of time, $1 \leq i \leq N$ . There is one condition to call a pair safe that is one has to maintain some distance from other such that $(x_i - x_j)$ + $(

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solution.cppC++17

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