Flight Tickets

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One day, Megan bought a one-way ticket from somewhere to somewhere with some flight transfers. For example: SFO->DFW DFW->JFK JFK->MIA MIA->ORD. Obviously, transfer flights to a city twice, or more doesn't make sense. So Megan will not do that. Unfortunately, after she received the tickets, she messed up with the tickets and forgot the order of the tickets. Help Megan rearrange the tickets to ar

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solution.cppC++17

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