Save the friendship!!

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Mayank and Rachit are best friends. They both are good programmers as well. They love programming together because if one of them gets stuck on some problems other can help. But these days Mayank is quite busy as his exams are approaching. So, Rachit has to tackle the problems alone. While practicing Rachit encounters an interesting problem which he was unable to solve efficiently. So, he asked Ma

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solution.cppC++17

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