Code String

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Rahul is one of the co-ordinators of Code-feast 2.0 competition. He has a friend codeBuddy and Rahul knows codeBuddy likes to play with string. So Rahul gave codeBuddy a string consisting of only lowercase alphabets. Let's denote the string with S and length of the string with N. CodeBuddy is required to change an alphabet at position i in the string either to the previous letter in alphabetic ord

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solution.cppC++17

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