The goal of the problem is to rotate a given NxN matrix by 90 degrees clockwise .
Constraints : Integer Array
Example :
Input : [ 3 x 3 ]
1 2 3
4 5 6
7 8 9
Output :
7 4 1
8 5 2
9 6 3
Input [5 x 5 ] :
1 2 3 4 5
6 7 8 9 10
11 12 13 14 15
16 17 18 19 20
Output :