2103. Rings and Rods

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There are n rings and each ring is either red, green, or blue. The rings are distributed across ten rods labeled from 0 to 9. You are given a string rings of length 2n that describes the n rings that are placed onto the rods. Every two characters in rings forms a color-position pair that is used to describe each ring where: - The first character of the ith pair denotes the ith ring's color ('R',

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solution.cppC++17

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