#include <iostream>

using namespace std;

int main()
{
	int m, n, **arr, first_raw_average = 0;

	cout << "Number of rows n = ";
	cin >> n;
	cout << "Number of columns in each row m = ";
	cin >> m;
	cout << "Enter values for the next elements: " << endl;
	arr = new int*[n];
	for (int row = 0; row < n; ++row)
	{
		arr[row] = new int[m];
		for (int column = 0; column < m; ++column)
		{
			cout << "Element " << column + 1 << " from row " << row + 1 << " = ";
			cin >> arr[row][column];
			if (row == 0)
				first_raw_average += arr[row][column];
		}
	}
	first_raw_average /= m;
	cout << endl << "Columns without zero:";
	for (int row, column = 0; column < m; ++column)
	{
		for (row = 0; row < n; ++row)
			if (arr[row][column] == 0)
				break ;
		if (row == n)
			cout << " " << column;
	}
	cout << endl << endl;
	cout << "Original array:" << endl;
	for (int column, row = 0; row < n; ++row)
	{
		cout << "\t";
		for (column = 0; column < m; ++column)
		{
			cout << arr[row][column];
			if (column + 1 < m)
				cout << " ";
		}
		cout << endl;
	}
	cout << endl;
	cout << "Modified array:" << endl;
	for (int column, row = 0; row < n; ++row)
	{
		cout << "\t";
		for (column = 0; column < m; ++column)
		{
			if (row == 0)
				arr[row][column] += first_raw_average;
			cout << arr[row][column];
			if (column + 1 < m)
				cout << " ";
		}
		cout << endl;
	}
	cout << endl;
	for (int i = 0; i < n; ++i)
		delete[] arr[i];
	delete[] arr;
	return (0);
}