#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;
	cout << "Dimensiunea matricei :";
	cin >> m;
	n = m;
	d = m;
	x = 0;
	int z = d*d;
	int b[10000];
	for (i =0; i <= d*d-1; i++) {
		b[i]=z;
		z--;
	}
	//for (i = 0; i < d*d; i++) cout << b[i] << "  " << endl;
	while (k < m && l < n)
	{
		for (i = l; i < n; ++i)
		{
			a[k][i] = b[x];
			x++;
		}
		k++;


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


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

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

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