#include <iostream>

using namespace std;



int main()
{
	int x1[8] = { 1,2,2,0,-2,-2,0,4 };
	int x2[8] = { 1,1,2,6,10,0,0,-20 };
	int y1[8];
	int x1_wagi[8] = {0, 0,0,0,0,0,0,0 };
	int x2_wagi[8] = { 0,0,0,0,0,0,0,0 };
	int przewidywania[8] = {1, 1,1,1,-1,-1,-1,-1 };
	int x0 = 1;

	int y = 0;

	bool czy_dobrze = true;

	do {


		//liczenie  y
		for (int i = 0; i < 8; i++) {


			y1[i] = x1[i] * x1_wagi[i] + x2[i] * x2_wagi[i];

			if (y1[i]> 0)
				y1[i] = 1;
			else {
				y1[i] = -1;
			}

			for (int i = 0; i < 8; i++)
			{
				if (y1[i] != przewidywania[i])
				{
					czy_dobrze = false;

					for (int i = 0; i < 7; i++)
					{
						x1_wagi[i] += przewidywania[i] * x1[i];
						x2_wagi[i] += przewidywania[i] * x2[i];
					}

				}
				else {
					czy_dobrze = true;
				}
			}



		}



	} while (czy_dobrze == false);


	cout << "Wagi" << endl;
	for (int i = 1; i < 8; i++) {

		cout << x1_wagi[i] << " " << x2_wagi[i] << endl;
	}




	cout << "y1 a przewidywane " << endl;
	for (int i = 1; i < 8; i++) {

		cout << y1[i] << " " << przewidywania[i] << endl;


	}







}