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  1. Practice
  2. Data Structures
  3. Arrays
  4. Left Rotation
  5. Discussions

Left Rotation

  • limpingandroid + 1 comment

    I saw this was different than the other problems. Yes, I put it in the bottom of main, using n, d and a.

    Are you using C? There appears to be a bug in the original code. This is my fix to their problem:

        // bug in original code - only check endptr if we need to do another loop
    //      if (a_item_endptr == a_item_str || *a_item_endptr != '\0') { exit(EXIT_FAILURE); }
    if (a_item_endptr == a_item_str) { exit(EXIT_FAILURE); }

    if (i < (n-1))
    {
        if (*a_item_endptr != '\0') { exit(EXIT_FAILURE); }
    }
    *(a + i) = a_item;
    • chris_phibbs2 + 0 comments

      I was wondering why my code kept failing Test Case 1 despite getting the same correct output when pasted into my local machine.

      Put these changes in and it was all good. Thanks so much for pointing this out.