Chain Reaction

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You get bored sometimes and love to play the game Chain reaction. This game is played upon a board of size RxC. Initially, the board is empty. In each turn, you can place an atom in any cell you want. After each turn, if the number of atoms in a cell becomes greater than 3, it will explode and one atom will spread to each of the four sides. If any other atoms remain( ie no of atoms > 4), it remain

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solution.cppC++17

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