Chef and hospitals

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There is a city which has $N$ landmarks and $M$ roads connecting them. All the roads in this city are one way. (But it is possible for a road to exist from A to B as well as from B to A). Out of these $N$ landmarks , there are $K$ landmarks which are **Hospitals**. However there is a possibility that due to roads being **unidirectional** , some landmarks are not reachable from the hospital. Suc

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solution.cppC++17

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