#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <conio.h>
#include <string.h>
#include <windows.h>
#include <stdio.h>
#include <iomanip>
using namespace std;
void zero(int **a, int &n, int &m)
{
	for (int i = 0; i < n; i++)
	{
		for (int j = 0; j < m; j++)
			a[i][j] = 0;
		cout << endl;
	}

}
void first_column(int**a, int &imin, int &imax, int &jmin, int &i, int &k){
	for (i = imin; i <= imax; i++)  //pervii stolbec
	{
		a[i][jmin] = k++;
	}
	jmin++;
}
void last_stroka(int**a, int&jmin, int&jmax, int&imax, int&j, int&k){
	for (j = jmin; j <= jmax; j++)  //posledniaia stroka
	{
		a[imax][j] = k++;
	}
	imax--;
}
void last_column(int**a, int &imax, int&imin, int&jmax, int&i, int&k){
	for (i = imax; i >= imin; i--)  //poslednii stolbec
	{
		a[i][jmax] = k++;
	}
	jmax--;
}
void first_line(int**a, int &jmax, int&jmin, int&imin, int&j, int&k){
	for (j = jmax; j >= jmin; j--) //pervaia stroka
	{
		a[imin][j] = k++;
	}
	imin++;
}
void show(int **a, int&m, int&j){
	for (j = 0; j<m; j++)
	{
		cout << setw(3) << a[0][j] << "  ";
	}
	cout << endl;
}
void show_2(int **a, int&i, int&m, int&n, int&j){
	for (i = 1; i<n; i++)
	{
		for (j = 0; j<m; j++)
		{
			cout << setw(3) << a[i][j] << "  ";
		}
		cout << endl;
	}
}
void del(int** a, int n)
{
	for (int i = 0; i < n; i++)
	{
		delete a[i];
	}
	delete[] a;
}
void main()
{
	setlocale(0, "");
	int k = 0, j, i, n = 0,m=0;

	do{
		cout << "Введите размер массива\n не больше чем 30*30\n";
		cin >> n >> m;

	} while (n > 30 || m == 0);

	int jmin = 0, imin = 0, jmax = m - 1,
		imax = n - 1;
	int ** a = new int*[n];
	for (int i = 0; i < n; i++)
	{
		a[i] = new int[m];

		for (int j = 0; j < m; j++)
			cout<<setw(3)<<(a[i][j] = k++)<<" ";

		cout << endl;
	}
	
	cout << "****Imput\n";
	cout << " Строк " << n << " Столбцов" << m << endl;
	cout << "Output, 2-2. \n";
	k = 0;
	zero(a, n, m);

	do
	{
		first_column(a, imin, imax, jmin, i, k);
		last_stroka(a, jmin, jmax, imax, j, k);
		last_column(a, imax, imin, jmax, i, k); //poslednii stolbec
		first_line(a, jmax, jmin, imin, j, k); //pervaia stroka

	} while (k<(n*m));
	show(a, m, j);
	show_2(a, i, m, n, j); 
	cout << "*******\n";
	del(a, n);
	system("pause");
}