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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 valid_trials = 0;
  13. 	for(unsigned i = 0; i < trials; ++i)
  14. 	{
  15. 		int clear1 = dis(gen);
  16. 		int clear2 = dis(gen);
  17. 		if(clear1){
  18. 			continue;
  19. 		}
  20. 		if(clear1 || clear2){ //at least one was female
  21. 			++survive;
  22. 		}
  23. 		++valid_trials;
  24. 	}
  25. 	std::cout << survive << std::endl;
  26. 	std::cout << (survive/1.0/valid_trials)*100.0 << "%" << std::endl;
  27. }
  28.  
Success #stdin #stdout 0.01s 3460KB
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https://ideone.com/gvIo0E
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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