#include <iostream>
#include <conio.h>
#define _USE_MATH_DEFINES
#include <math.h>
using namespace std;

int main()
{
    int const size = 4;
    int A[size][size] = { { 1, 2, 3, 4 }, { 2, 3, 4, 5 }, { 3, 4, 5, 6 }, { 4, 5, 6, 7 } };
    double k = 0, kp = 0;
    int index = 0;
    
    for (int i = 0; i < size; i++)
    {
        k = 0;
        for (int j = 0; j < size-i; j++)
        
        
        {

            cout << Aj i << " ";
            k += abs(Aj i);
        }
        k /= size - i;
        if (k < kp)
        {
            k = kp;
            index = i;
        }
        kp = k;
        cout << endl;
    }
    cout << "Najmenshe seredn'e u " << index << " stovpci = " << k << endl;
    _getch();
    return 0;
}