Potion Master

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Dr Mandrake is a potion master who specialises in recovery-potions.The people of Argo town are suffering from canora virus.Dr mandrake is asked to prepare a potion to cure them. He has $N$ Potions of different sizes arranged in his shelf ,to cure the disease he needs $Q$ pairs of potions where each pair will satisfy the following condition $P_i+P_j$ = $X$. where ‘$X$’ is the secret number. $P_i

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solution.cppC++17

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