#include <iostream>
#include <stdio.h>
#include <iomanip>
using namespace std;



int main()
{
	int i, k = 0, l = 0,m,n,x,a[100][100],d;
	x = 1;
	cout << "Dimensiunea matricei :";
	cin >> m;
	n = m;
	d = m;
	while (k < m && l < n)
	{
		for (i = n; i  >l; --i)
		{
		a[k][i]=x;
		x++;
		}
		k++;

		
		for (i = m; i > k; --i)
		{
			a[i][n - 1]=x;
			x++;
		}
		n--;

		
		if (k < m)
		{
			for (i = l - 1; i <= m; ++i)
			{
				a[m - 1][i]=x;
				x++;
			}
			m--;
		}

		if (l < n)
		{
			for (i = k- 1; i >= m-1; ++i)
			{
				a[i][l]=x;
				x++;
			}
			l++;
		}
	}

	for (i = 0; i < d; i++) {
		for (int j = 0; j < d; j++) {
			cout << fixed<<setprecision(0.2);
			cout << setw(3)<<a[i][j] << "  ";
		}
		cout << endl;
	}
	system("pause");
	return 0;
}