#include <iostream>
#include <ctime>

int main()
{
	srand((unsigned int)time(0));
	int arr[5][5];
	int arrAv[5] = { 0, 0, 0, 0, 0 };
	for (size_t i = 0; i < 5; i++)
	{
		for (size_t j = 0; j < 5; j++)
		{
			arr[i][j] = rand() % 100;
			arrAv[i] += arr[i][j];
			std::cout << arr[i][j] << " ";
		}
		std::cout << "\n";
	}
	for (size_t i = 0; i < sizeof(arrAv)/sizeof(int); i++)
	{
		printf("av line %i = %d\n", i, arrAv[i] / (sizeof(arrAv) / sizeof(int)));
	}
}