Devus and their voting system

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Devus are creatures living in Devupur. There are total n Devus in Devupur. ith Devu live in ith house. Houses 1, 2, 3, , , n are placed in a single lane i.e. 1 is a neighbor of 2, 2 is a neighbor of 1 and 3 etc. They decide their president by a very weird voting system. All the Devus contest in the presidential elections. Each person uniformly randomly votes any of the n person as his preferen

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solution.cppC++17

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