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  1. #include <iostream>
  2. #include <random>
  3.  
  4. int main()
  5. {
  6. 	std::random_device rd;
  7. 	std::mt19937 gen(rd());
  8. 	std::uniform_int_distribution<> dis(0, 1);
  9.  
  10. 	unsigned const trials = 100000;
  11. 	unsigned survive = 0;
  12. 	unsigned trials_that_happened = 0;
  13. 	for(unsigned i = 0; i < trials; ++i)
  14. 	{
  15. 		int clear1 = dis(gen);
  16. 		int clear2 = dis(gen);
  17. 		if (clear1 )
  18. 		if(clear1 && clear2) //both female, one didn't croak
  19. 		{
  20. 			continue;
  21. 		}
  22. 		if(clear1 || clear2) //at least one was female
  23. 		{
  24. 			++survive;
  25. 		}
  26. 		++trials_that_happened;
  27. 	}
  28. 	std::cout << survive << std::endl;
  29. 	std::cout << (survive/1.0/trials_that_happened)*100.0 << "%" << std::endl;
  30. }
Success #stdin #stdout 0.01s 3416KB
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https://ideone.com/dfi8Cc
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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