coins game

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Sahithi has 3 types of coins those are $10$,$5$ and $2$ rupee coins. she want to give an amount of $K$ rupees to his friend Sai. Find the minimum number of coins such that the value of the 10 rupee coins is equal to twice of value of 5 rupee coins and 2 rupee coins should not exceed 7 coins. If he fail to satisfy the above condition then return $–1$. ### Input - The first line of input will conta

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solution.cppC++17

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