Travelling Actresses

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In real life, Amy and Blanchett are great friends. They want to celebrate the Blanchett's victory for winning Best Actress Oscars Award. They love to travel by trains. So,they planned to visit Metro Land. It consists of n stations connected by m railway tracks. Between two stations there is a single two-way track. All stations are reachable from each other. As Amy and Blanchett’s homeplaces are

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solution.cppC++17

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