Chef vs Chefu

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Chef has visited his little brother Chefu after a long time. Chefu loves to play with Chef and so he brought N balls to play a game. The game starts with N balls and Chefu makes the first move. Chef and Chefu play alternately. In each move, a player can take either 1, 2 or 3 balls from the remaining balls. The player who makes the last move wins. If both players play optimally, determine the winne

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solution.cppC++17

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