Project Euler #51: Prime digit replacements

  • + 2 comments

    Am I missing something, or for sample input #01 (2 1 3) there are many possible answers? ((11, 13, 17), (11, 13, 19), (11, 31, 41), (11, 31, 61) and so on)

    If so, how should we decide which solution to choose?