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Count the Characters

###Count the Alphabets Shubham is busy with his daily schedule and his mom asked him to help her on a feasible task of counting the number of letters in the given string $S$.Before counting, you have to perform following operations on string $S$. - Change the case of characters i.e if the given input string is $AbcD$ then after changing the case the string should be $aBCd$. - Right shift by $R$ t

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solution.cppC++17

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