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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. struct Punkt
  6. {
  7. 	float X, Y;
  8. };
  9.  
  10. int main()
  11. {
  12. 	int ile_testow;
  13.  
  14. 	//cout << "Podaj ile testow:\n";
  15. 	cin >> ile_testow;
  16.  
  17. 	for (int i = 0; i < ile_testow; ++i)
  18. 	{
  19. 		Punkt punkt[3];
  20. 		//cout << "Podaj wspolrzedne 3 punktow:\n";
  21. 		for (int j = 0; j < 3; ++j)
  22. 		{
  23. 			cin >> punkt[j].X >> punkt[j].Y;
  24. 		}
  25.  
  26. 		/*for (int i = 0; i < 3; ++i)
  27. 		{
  28. 			cout << "Punkt(" << punkt[i].X << "," << punkt[i].Y << ") ";
  29. 		}
  30. 		cout << "\n\n\n";*/
  31.  
  32. 		float a, b;
  33. 		if((punkt[0].X == punkt[1].X && punkt[0].X == punkt[2].X) || punkt[0].Y == punkt[1].Y && punkt[0].Y == punkt[2].Y)
  34. 		{
  35. 			cout << "TAK\n";
  36. 		}
  37.  
  38. 		else
  39. 		{
  40. 			a = (punkt[0].Y - punkt[1].Y) / (punkt[0].X - punkt[1].X);
  41. 			if (a == -0)
  42. 				a *= -1;
  43. 			b = punkt[0].Y - a * punkt[0].X;
  44.  
  45. 			int licznik = 0;
  46. 			for (int i = 0; i < 3; ++i)
  47. 			{
  48. 				if (punkt[i].Y == punkt[i].X*a + b)
  49. 					++licznik;
  50. 			}
  51. 			if (licznik == 3)
  52. 				cout << "TAK\n";
  53. 			else
  54. 				cout << "NIE\n";
  55. 		}
  56. 	}
  57. 	return 0;
  58. }
Success #stdin #stdout 0s 15232KB
comments (?)
stdin
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5
1	2	3	4	5	6
1	3	1	4	1	-3
1	2	-3	4	3	9
2	-1	3	-1	-4	-1
0	0	0	0	0 	0
stdout
copy 
TAK
TAK
NIE
TAK
TAK
https://ideone.com/r0LFZu
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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