int _tmain(int argc, _TCHAR* argv[])
{

	//int i, j;
	int sum = 0;
	const int num = 1000;
	int*  myDataX = new int[num];
	int*  myDataY = new int[num];
	float value = 0;



	for (int a = 0; a < num; a++)
	{
		myDataX[a] = a;
		myDataY[a] = a;
	}

	for (int i = 0; i < num; i++)
	{
		float x = myDataX[i];

		for (int j = 0; j < num; j++)
		{
			float y = myDataY[j];
			value = x + y;
			sum += value;
		}

	}

	//sum = (std::accumulate(myDataX, myDataX + num, 0.f) + std::accumulate(myDataY, myDataY + num, 0.f)) * num;

	std::cout << "sum: " << sum << std::endl;
	system("pause");


	return 0;
}