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  1. #include <cstdio>
  2. #include <iostream>
  3. #include <cstdlib>
  4. #include <cmath>
  5. #include <ctime>
  6.  
  7. using namespace std;
  8.  
  9. int main()
  10. {
  11. 	double p;
  12. 	long long int n,t1,t2,t1w,t2w,count;
  13. 	srand (static_cast <unsigned> (time(0)));
  14.  
  15. 	scanf("%lld",&n);
  16. 	while(n--)
  17. 	{	
  18. 		count = 0;
  19. 		scanf("%lld %lld %lld %lld",&t1,&t2,&t1w,&t2w);
  20. 		for(long long i=1;i<=100000;i++)
  21. 		{
  22. 			//start1= rand()%t1+1;
  23. 			float x1=  static_cast <float> (rand()) /( static_cast <float> (RAND_MAX/(t1)));
  24. 			float x2= x1 + t1w;
  25. 			float y1=  static_cast <float> (rand()) /( static_cast <float> (RAND_MAX/(t2)));
  26. 			float y2= x2 + t2w;
  27. 			//printf("%f %f %f %f\n",x1,x2,y1,y2);
  28. 			if(x1>x2)
  29. 			{
  30. 				float tmp = x1;
  31. 				x1 = x2;
  32. 				x2 = tmp;
  33. 				tmp = y1;
  34. 				y1 = y2;
  35. 				y2 = tmp;
  36. 			}
  37. 			if(x1<=y2 && y1<=x2)
  38. 				count+=1;
  39.  
  40. 		}
  41. 		p = double(count)/(100000);
  42. 		printf("%f\n",p);
  43. 	}
  44. 	return 0;
  45. }
Success #stdin #stdout 0.03s 3100KB
comments (?)
stdin
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2
2 2 1 1
1 1 1 1
stdout
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0.875470
1.000000
https://ideone.com/e4sELF
language:
C++ (gcc 8.3)
created:
8 years ago
visibility:
secret

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