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      Question

      Below code will give what result for f(3) f(int

      x) { If(x Return; f(x-1); printf(“%d”, x); f(n-1); }
      A 1213121 Correct Answer Incorrect Answer
      B 1212121 Correct Answer Incorrect Answer
      C 3212321 Correct Answer Incorrect Answer
      D 1231231 Correct Answer Incorrect Answer
      E 3211233 Correct Answer Incorrect Answer

      Solution

      execute the code with recursion tree and then use backtracking.

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