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  1. Prepare
  2. Algorithms
  3. Recursion
  4. Recursive Digit Sum
  5. Discussions

Recursive Digit Sum

  • 7ovana
     + 4 comments

    Totally agree with you. Here's what I did in Python:

    def superDigit(n, k):
    if len(n)==1:
        return n
    return superDigit(str(sum(map(int, n))*k),1)