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  1. #include <iostream>
  2. #include <ctime>
  3. using namespace std;
  4.  
  5. const int MAX_DIMENSION = 100;
  6.  
  7. bool test(double a, double b, double p, double q, double r, double s) {
  8. 	return	(a > p && a > r && b > (q + s)) || 
  9.    			(a > q && a > r && b > (p + s)) ||
  10.    			(a > p && a > s && b > (q + r)) ||
  11.    			(a > q && a > s && b > (p + r)) ||
  12. 			(b > p && b > r && a > (q + s)) || 
  13.    			(b > q && b > r && a > (p + s)) ||
  14.    			(b > p && b > s && a > (q + r)) ||
  15.    			(b > q && b > s && a > (p + r));
  16. }
  17.  
  18. bool brovko(double a, double b, double p, double q, double r, double s) {
  19. 	if ((q>=b && q>=a) || (s>=b && s>=a) || (r>=a && r>=b) || (p>=a && p>=b))
  20. 		{
  21. 		return false;
  22. 		}
  23. 	else
  24. 	{
  25. 	if((p+r<2*a && q+s<b) || (q+s<2*b && p+r<a))
  26.       	{
  27. 		return true;
  28. 	  	}
  29. 	else if((p+r<2*b && q+s<a) || (q+s<2*a && p+r<b))
  30. 		{
  31. 		return true;
  32. 		}
  33. 	else if((r+q<2*b && s+p<a) || (p+s<2*a && r+q<b))
  34. 		{
  35. 		return true;
  36. 		}
  37. 	else if((p+s<2*b && r+q<a) || (q+r<2*a && p+s<b))
  38. 		{
  39. 		return true;
  40. 		}
  41. 	else
  42. 	  	{
  43. 		return false;
  44. 	  	}
  45. 	}
  46. }
  47.  
  48. double rnd () {
  49. 	return  1. + rand() % (MAX_DIMENSION - 1);
  50. }
  51.  
  52. int main(void) 
  53. {
  54. 	double a,b,p,q,r,s;
  55. 	srand( time( 0 ) );
  56. 	do {
  57. 		a = rnd(); b = rnd(); p = rnd(); q = rnd(); r = rnd(); s = rnd();
  58. 	} while (test(a,b,p,q,r,s) == brovko(a,b,p,q,r,s));
  59. 	printf ("%g %g %g %g %g %g: Brovko say %s, but must be %s.", a,b,p,q,r,s, brovko(a,b,p,q,r,s)? "yes": "no", test(a,b,p,q,r,s)? "yes": "no");
  60. }
Success #stdin #stdout 0s 3344KB
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stdin
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Standard input is empty
stdout
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87 94 88 58 84 30: Brovko say yes, but must be no.
https://ideone.com/IP7GFi
Test generator for Brovko Ю2.12
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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