Travellling
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Given is a travel description. You start at time t = 0. You start at source s and Reach Destination d. And n-2 intermediate points. It is guaranteed that once you step out from a node, you don't come back to it ever again. i.e., 1 -> 2 -> 3 is shown by input 1 2 2 3 and 1 -> 2 -> 1 is an invalid movement. This holds until you reach your destination. Once you reach destination, you make
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solution.cppC++17
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