Baldy and Princess Saumia

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Our friend Baldy was in love with Princess Saumia. They lived happily untill one day a strange disease grips the planet. Consider Earth to be built of unit square cells infinitely in all the directions. Now the disease has a trigger region consisting of some cells. At any second a cell can have two states, either infected or healthy At any second the current state of a cell is determined by the

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solution.cppC++17

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