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bobo_bobkata

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Sep 2nd, 2019
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  1. #include <iostream>
  2. #include <string>
  3. #include<math.h>
  4.  
  5. using namespace std;
  6.  
  7. int main()
  8. {
  9. string input;
  10. getline(cin, input);
  11.  
  12. int sumPrimeNumbers = 0;
  13. int sumNonPrimeNumbers = 0;
  14.  
  15.  
  16. while(input != "stop" && input != "STOP")
  17. {
  18. int n = stoi(input);
  19. if(n < 0)
  20. {
  21. cout << "Number is negative." << endl;
  22. }
  23. else if(n == 1)
  24. {
  25. sumNonPrimeNumbers += n;
  26. }
  27. else if(n == 2)
  28. {
  29. sumPrimeNumbers += n;
  30. }
  31. else
  32. {
  33. bool isPrime = true;
  34. int num = sqrt(n);
  35. for(int i = 2; i <= num ; i++)
  36. {
  37. if(n % i == 0)
  38. {
  39. isPrime = false;
  40. break;
  41. }
  42. }
  43. if(isPrime)
  44. {
  45. sumPrimeNumbers += n;
  46. }
  47. else
  48. {
  49. sumNonPrimeNumbers += n;
  50. }
  51. }
  52.  
  53. getline(cin, input);
  54. }
  55.  
  56. cout << "Sum of all prime numbers is: " << sumPrimeNumbers << endl;
  57. cout << "Sum of all non prime numbers is: " << sumNonPrimeNumbers << endl;
  58.  
  59.  
  60. return 0;
  61. }
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