Canny Chhavi

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Problem description. Chhavi has a string S and its starting index is 1. The string S consists of characters from 1−9. As she is very canny, she wants to test his brother Vinay. She asked her brother Vinay to count the number of even numbered characters ( i.e 2,4,6,8 ) for every index i(1≤i≤|S). For an index i, the result should be calculated from i to the end of the string. As Vinay doesn't know

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solution.cppC++17

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