TRAVEL PROBLEM

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You are currently at an holiday tour. The country you have visited has 4 tourist destinations and you want to visit all of them. Let's call the four tourist destinations as 1,2,3,4 respectively. There are 3 roads connecting these 4 destinations. Each road connects two destinations bidirectionally (you can travel from both sides). No two roads connect the same pair of destinations more tha

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solution.cppC++17

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