Lanku and mysterious country

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Lanku lives in a mysterious country having N cities. In his country instead of one capital, any number of cities can be capital. There are many cities in his country, but only the capital cities have all the facilities like hospitals, markets etc. So in order to get anything you have to visit the capital city. In order to simplify it, every city has been assigned to exactly one capital city. Ap

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solution.cppC++17

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