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    Recursive function "sumDigits" in C++

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    Write a recursive function "sumDigits" in C++, that receives an integer as argument by reference and returns the sum of digits representing this integer. Also write a main function to test this function.

    Example output of program should look like following.

    Enter a nonnegative integer: 23
    The sum of the digits of 23 is 5

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    Attached implementation 306905.cpp pauses after displaying the result back to ...

    Solution Summary

    Solution also explains the execution of recursive function "sumDigits" with the help of an example.