Gcd vs Lcm

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Chefa and chef both are good at problem solving but they don't know who is better. So one day they decided to test their skills against each other. The strategy they took is, they will ask one question, if anyone failed to answer to its opponent then other one will treated as better. It is provided that Chefa is already failed to answer Chef's question and now its Chef's turn to answer Chef's ques

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solution.cppC++17

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