Rotate By 90 Degree
easy
1. You are given a number n, representing the number of rows and number of columns. 2. You are given n*n numbers, representing elements of 2d array a. 3. You are required to rotate the matrix by 90 degree clockwise and then display the contents using display function. *Note - you are required to do it in-place i.e. no extra space should be used to achieve it .*
Constraints
1 <= n <= 10^2 -10^9 <= e1, e2, .. n * n elements <= 10^9
Format
Input
A number n e11 e12.. e21 e22.. .. n * n number of elements
Output
output is taken care of by display function
Example
Sample Input
4
11
12
13
14
21
22
23
24
31
32
33
34
41
42
43
44
Sample Output
41 31 21 11
42 32 22 12
43 33 23 13
44 34 24 14
Question Video