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  1. #include <iostream>
  2. #include <cmath>
  3. using namespace std;
  4.  
  5.  
  6.  
  7. int main() {
  8. 	long long l1, r1, l2, r2; 
  9. 	cin >> l1 >> r1 >> l2 >> r2; 
  10.  
  11.  
  12.  
  13. 	if ( (l2<r1) && (r2>r1) )
  14. 	{
  15. 		cout << l2 << " " << r1;
  16. 	} 
  17.  
  18. 	else if ((l2 < r1) && (r2 == r1))
  19. 	{
  20. 		cout << l2 << " " << r2;
  21. 	}
  22.  
  23. 	else if ((l2 < r1) && (r2 < r1))
  24. 	{
  25. 		cout << l2 << " " << r2;
  26. 	}
  27.  
  28. 	else if ((l1 == l2 ) && (r1 > r2))
  29. 	{
  30. 		cout << l2 << " " << r2;
  31. 	}
  32.  
  33. 	else if ((l2 == l1) && (r2 > r1))
  34. 	{
  35. 		cout << l1 << " " << r1;
  36. 	}
  37.  
  38. 	else if ((l1 > l2) && (r2 > r1))
  39. 	{
  40. 		cout << l1 << " " << r1;
  41. 	}
  42.  
  43. 	else if ((r1 == r2) && (l1 > l2))
  44. 	{
  45. 		cout << l1 << " " << r1;
  46. 	}
  47.  
  48. 	else if ((l1 == l2 ) && (r1 == r2))
  49. 	{
  50. 		cout << l1 << " " << r1;
  51. 	} 
  52.  
  53. 	else
  54. 	{
  55. 		cout << -1; 
  56. 	}
  57.  
  58. 	return 0;
  59. }
  60.  
  61.  
  62.  
Success #stdin #stdout 0s 5272KB
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94205640405552 94205640405792
https://ideone.com/3sRwh2
language:
C++ (gcc 8.3)
created:
3 days ago
visibility:
public

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