Buying a car

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A group of N cities is connected by one-way roads. Between each pair of cities there is exactly 1 road, and you are allowed to travel on it in only one direction. Lukas has decided to buy a car from one of these cities in such a way that it is possible to start from that city and reach any other city by travelling in his car. A very important factor in buying a car is the range of that car. The r

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solution.cppC++17

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