Average Number

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Chef had a sequence of positive integers with length $N+K$. He managed to calculate the arithmetic average of all elements of this sequence (let's denote it by $V$), but then, his little brother deleted $K$ elements from it. All deleted elements had the same value. Chef still knows the remaining $N$ elements — a sequence $A1,A2,…,AN$. Help him with restoring the original sequence by finding the

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solution.cppC++17

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