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  1. Arrays: Left Rotation
  2. Discussions

Arrays: Left Rotation

  • p_callebat
     + 2 comments
    new_index = (i + no_of_left_rotation) % length_of_array;

    seems incorrect. You will see the problem if you test, for example [1,2,3,4,5] and k = 2 .

    I guess would be better: 

    new_index = (i + (lengthOfArray - no_of_left_rotation)) % lengthOfArray;