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  1. #include <iostream>
  2. #include <sstream>
  3. #include <vector>
  4.  
  5. #define UNUSED(x) (void)(x)
  6.  
  7. int makeEven(int v)
  8. {
  9.     return (v/2)*2;
  10. }
  11.  
  12. int computeBunnyPopulation(int initNbBunnies)
  13. {
  14. 	int nbAdultBunnies = initNbBunnies;
  15. 	int nbTeenBunnies = 0;
  16. 	int nbChildBunnies = 0;
  17.  
  18. 	for(unsigned int i=15; i<365; i+=15)
  19. 	{
  20. 		// Bunnies grow up
  21. 		nbAdultBunnies += static_cast<int>(nbTeenBunnies*0.7);
  22. 		nbTeenBunnies = nbChildBunnies;
  23. 		nbChildBunnies = 0;
  24.  
  25. 		if(i % 30 == 0)
  26. 		{
  27. 			// Plague
  28. 			nbAdultBunnies = static_cast<int>(nbAdultBunnies*0.75);
  29. 			nbTeenBunnies = static_cast<int>(nbTeenBunnies*0.75);
  30. 			nbChildBunnies = static_cast<int>(nbChildBunnies*0.75);
  31. 		}
  32.  
  33. 		nbChildBunnies += static_cast<int>(makeEven(nbAdultBunnies)*0.9);
  34. 	}
  35.  
  36. 	return nbAdultBunnies + nbTeenBunnies + nbChildBunnies;
  37. }
  38.  
  39. int main(int argc, char* argv[])
  40. {
  41. 	UNUSED(argc);
  42.  
  43. 	int initNbBunnies;
  44. 	std::cin >> initNbBunnies;
  45.  
  46. 	std::cout << computeBunnyPopulation(initNbBunnies);
  47.  
  48. 	return 0;
  49. }
Success #stdin #stdout 0.02s 2684KB
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1112870732
https://ideone.com/UOHGBw
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
public

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