Unique Game

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You and Chef are playing a game where you both give each other a problem to solve . Chef has solved the problem given by you so it’s your turn now to solve the problem. You are given $n$ lists of integers where each list contains $m$ integers. Each list is a subsequence of Original list $L$. Original list $L$ contains unique numbers only. Your task is find the Original list $L$ from given n l

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solution.cppC++17

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