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Dr. Brief recently designed a new video game. His game has $2000000000000001$ Islands numbered from $-10^{15}$ to $10^{15}$ located sequentially. Between every two Islands is an infinitely long river, and there is no bridge between two Islands. (There are dead ends before and after Islands numbered $-10^{15}$ and $10^{15}$ respectively.) The game has $N$ players, initially present on random isla

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solution.cppC++17

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