#include "stdlib.h"
#include <iomanip>
#include <math.h>
#include <iostream>
using namespace std;
int main()
{
    double a[4][4];
    double max = -100000, s = 0, k = 0;
    for (int i = 1; i < 5; i++)
    {
        for (int j = 1; j < 5; j++)
        {
            a[i][j] = sin(2.1*i - j);
            cout << a[i][j] << " ";
        }
        cout << endl;
    }
    int i = 1, j = 4, l = 0;
    for (a[i][j]; j > 0; )
    {
        a[i][j] = sin(2.1*i - j);
        if (a[i][j] < 0)
        {
            k = k + a[i][j];
        }
        cout << endl;
        i = i++;
        j = j--;
    }
    cout << "summa elementov < 0 na pobochnoi diagonali =" << k << endl;
    cout << endl;
    for (int i = 1; i < 5; i++)
        {
            s = s + a[i][2];
            if (a[i][2] > a[i - 1][2] && a[i][2]>max)
            {
                    max = a[i][2];
                l = i;
            }
        }
    cout << "Max znachenie vo 2 stolbce = " << max << ", v srtochke " << l << ", mestopolozhenie a[" << l << "][2]" << endl;
    cout << endl;
    cout << "summa elementov " << l << " stolbca = " << s << endl;
    cout << endl;
    for (int i = 1; i < 5; i++)
    {
        for (int j = 1; j < 5; j++)
        {
            a[i][j] = sin(2.1*i - j);
            a[l][2] = s;
            cout << a[i][j] << " ";
        }
        cout << endl;
    }
    return 0;
}