Metro Rail

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A metro-rail network has multiple stations and the information regarding the train reaching the stops is given as a vector. For example, if A goes to stations B, C but not D is given as (0 1 1 0). A to A is taken as 0. The train may go from A to B, but it is not necessary that it goes from B to A. Given the information of the train's reachability to different stations, there are special station

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solution.cppC++17

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