#include <iostream>
#include <math.h>

using namespace std;

void main()
{
	int **mas1;
	mas1 = new int *[3];
	for (int i = 0; i < 4; i++)
		mas1[i] = new int[4];
	for (int i = 0; i < 4; i++)
		for (int j = 0; j < 5; j++)
			mas1[i][j] = 50 - rand() % 100;
	for (int i = 0; i < 4; i++)
		for (int j = 0; j < 5; j++)
			if (mas1[i][j] > 0)
				mas1[i][j] = log10(mas1[i][j]);
	for (int i = 0; i < 4; i++)
	{
		for (int j = 0; j < 5; j++)
			cout << mas1[i][j] << "\t";
		cout << endl;
	}
	cout << "\n\n";

	double *mas2;
	mas2 = new double[4];
	double sum;

	for (int i = 0; i < 5; i++)
	{
		sum = 0;
		for (int j = 0; j < 4; j++)
		{
			if (mas1[j][i] < 0)
				sum += mas1[j][i];
			mas2[i] = sum;
		}
	}

	for (int i = 0; i < 4; i++)
		cout << mas2[i] << "\t";
	cout << endl;
	delete []mas2;
	for (int i = 0; i < 4; i++)
		delete [] mas1[i];
	delete [] mas1;
}