Marbles

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Chef has $A$ marbles, and his friend has $B$. They want to redistribute the marbles among themselves such that after redistributing: - Chef and his friend both have at least one marble each; and - The number of marbles with Chef is **divisible** by the number of marbles with his friend. What's the minimum number of marbles that need to be transferred from one person to another to achieve this?

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solution.cppC++17

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