Triangles
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$N$ triangles are placed recursively as shown in the picture below for $N=1, 2, 3$ to form a composite structure with $S$ edges in total. The first triangle is placed with one edge horizontal and the opposite vertex above it. Lets call this edge the base. A new triangle is placed such that it is rotated by $180$ degree w.r.t. the previous triangle placed and it touches the rightmost edge of the pr
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solution.cppC++17
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