3206. Alternating Groups I

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There is a circle of red and blue tiles. You are given an array of integers colors. The color of tile i is represented by colors[i]: - colors[i] == 0 means that tile i is red. - colors[i] == 1 means that tile i is blue. Every 3 contiguous tiles in the circle with alternating colors (the middle tile has a different color from its left and right tiles) is called an alternating group. Return the

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solution.cppC++17

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