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  1. #include <iostream>
  2. #include <cstdlib>
  3. using namespace std;
  4.  
  5. int fire ( double chance ) {
  6. 	int res = rand () % 3;
  7. 	if ( rand () / double(RAND_MAX) < chance ) {
  8. 		return res + 1;
  9. 	}
  10.  
  11. 	return 0;
  12. }
  13.  
  14. int main() {
  15. 	double A = 0;
  16. 	srand ( 12 );
  17. 	for ( int i = 0; i < 100000; i++ ) {
  18. 		int one   = fire ( 0.6 ),
  19. 			two   = fire ( 0.6 ),
  20. 			three = fire ( 0.6 );
  21.  
  22. 		if ( one == two && three != one || one == three && two != one ) {
  23. 			A++;
  24. 		}
  25. 	}
  26.  
  27. 	cout << A / 100000 << endl;
  28.  
  29. 	return 0;
  30. }
Success #stdin #stdout 0.02s 3296KB
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https://ideone.com/ozyC5E
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
public

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