Rainbow color

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Chef if fond of Rainbow and recently he purchased some colorful curtains. Chef wants to form a Rainbow colors, but the chef is bit confuse in ordering of rainbow color. Help chef to know him that what is the number of color in rainbow. In rainbow red is first color, and violet is 7. ### Input - First and only line contain a capital letter string i.e. color of curtain. (maximum length of the colo

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solution.cppC++17

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