Good Ranking (Pair)

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**This shares part of the initial setup with Good Ranking (Triplet)**. There are $N$ contestants numbered $1, 2, \ldots, N$. Your task is to make them participate in some contests and then manipulate the ranking in a particular way. In each competition, the ranking of the contestants can be considered to be a permutation of the integers $[1, N]$ (i.e. there are no ties). A contestant $a$ is sai

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solution.cppC++17

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