Doracake Game

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Doraemon challenge Nobita. Doraemon and Nobita decide to play a game called Doracake game.The Rules of the game are: Initially Doraemon has N Doracakes. In each turn a player eats one doracake .They optimally eat doracakes(for example: if doraemon eats the one doracake then nobita eats then doraemon so on). The game will stop when the left number of doracakes are a prime number or all doracake

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solution.cppC++17

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