Fix The String

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You are given a string S of numbers. Dr. Dragoon has eaten up some numbers of the string. You decide to fix the string by putting the numbers 0 and 1 in the empty spaces. The base cost for putting the ‘0’ is x and putting ‘1’ is y . The cost of putting a number is the base cost multiplied by the number of times you use the letter till that position (including the position ). The local mayor is h

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solution.cppC++17

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