Array Rotation(Left rotation)
*Bringing the first element to
the last position.
*swapping the elements from
left to right
Input: 5 //size of array
1 2 3 4 5 //elements in array
2 //How many Rotation in left
Output:3 4 5 1 2
Execution: 1 2 3 4 5
2 3 4 5 1
3 4 5 1 2