ex7

#include<iostream>
using namespace std;
int main()
 {
  int n,i,j,a[25][25];
  cin>>n;
  for(i=1;i<=n;i++)
  {
   for(j=1;j<=n;j++)
    {
     if(i==1) a[i][j]=j;
     else if(j==n) a[i][j]=a[i-1][1];
     else a[i][j]=a[i-1][j+1];
    }
   }
   for(i=1;i<=n;i++)
      {
       for(j=1;j<=n;j++)
        cout<<a[i][j]<<" ";
        cout<<endl;
      }
   }