Ankur and Coins

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Ankur has two boxes containing infinite number of coins of Re 1 and Rs 2 respectively. He is interested to purchase an item that cost Rs X. So, he took some coins from the first box and some coins from the 2nd finally he is able to obtain the total amount as Rs X from the coins. i.e. Suppose number of Re 1 coins =p and number of RS. 2 coins = q. Then X= p+ 2q; Find out the total number of way

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solution.cppC++17

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