#include <iostream>

int main()
{
	int width = 4, height = 4;
	
	int arr[width * height];
	
	for (int i = 0, k = 0; i < height; ++i)
	{
		for (int j = 0; j < width; ++j)
		{
			arr[i * width + j] = k++;
		}
	}
	
	
	
	for (int i = 0; i < height; ++i)
	{
		for (int j = 0; j < width; ++j)
		{
			int* ptr = &arr[0] + height * i;
			std::cout<<ptr[j]<<"   ";
		}
	}
}