Chef and Circle Run

CodeChefRating 2041Open on judge ↗

Chef likes to play with graphs a lot. Today he created a graph in the following way. He first lays down N nodes in a circle. The nodes nodes are numbered from 1 to N, in the clockwise order, i.e. the node 2 is followed by 1, 3 is followed by 2, and 1 is followed by N. Two vertices are said to be adjacent if they don't have an intermediate vertex placed between them. There is an edge between each a

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solution.cppC++17

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