Fair Denominations

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At the Diwali Fair, Chef wants to purchases some goods for the Rasode. All the goods cost him $N$ rupees. Chef wants to find out which denominations he can use to pay $N$ rupees if he wants to use only a single type of denomination to pay $N$ rupees. For eg., if he has to pay $10$ rupees then he can use either '$10$ coins of $1$ Rupee' or '$5$ coins of $2$ rupees' or '$2$ coins of $5$ rupees' or '

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solution.cppC++17

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