Rotirea in spirala p.p

#include <iostream>
#include <iomanip>

using namespace std;

int main()
{
    int a[100][100],i,j,n,k,l,c,x;
    cout<<"n= ";cin>>n;
    x=1;
    for (k=1;k<=n/2+n%2;k++)
    {
        for (c=k;c<=n+1-k;c++)
        {
            a[k][c]=x*x;
            x++;
        }
        for (l=k+1;l<=n+1-k;l++)
        {
            a[l][n+1-k]=x*x;
            x++;
        }
        for (c=n-k;c>=k;c--)
        {
            a[n+1-k][c]=x*x;
            x++;
        }
        for (l=n-k;l>=k+1;l--)
        {
            a[l][k]=x*x;
            x++;
        }
    }
    for (i=1;i<=n;i++)
    {
        for (j=1;j<=n;j++)
        cout<<setw(5)<<a[i][j]<<" ";
        cout<<'\n';
    }


    return 0;
}