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  • A left rotation operation on an array shifts each of the array's elements 1 unit to the left. For example, if 2 left rotations are performed on array [1, 2, 3, 4, 5], then the array would become [3, 4, 5, 1, 2]. Note that the lowest index item moves to the highest index in a rotation. This is called a circular array.

  • Given an array a of n integers and a number, d, perform d left rotations on the array. Return the updated array to be printed as a single line of space-separated integers.

  • Instance format:

    • The first line contains two space-separated integers n and d, the size of a and the number of left rotations.
    • The second line contains n space-separated integers, each an a[i].
  • Input:

        5 4
        1 2 3 4 5
  • Output:
        5 1 2 3 4

Running

  • Compiling:
    source configure.sh
  • Running an instance:
    ./app "path_instance"
  • Example: running an instance "input1":
    ./app instances/input1