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Counting Blue Cars

Keno has always hated commuting during the early morning rush hour. To keep himself sane during one of his trips, he started noting dow the colors of the cars he passes as his vehicle moves along. Soon enough, this wasn't enough to keep him interested, and, instead, he looked at how often blue cars showed up on the road. On one such trip, he came upon a startling discovery: the color sequences of

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solution.cppC++17

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