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bobo_bobkata

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Sep 2nd, 2019
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  1. #include <iostream>
  2. #include <string>
  3.  
  4.  
  5. using namespace std;
  6.  
  7. main() {
  8.  
  9. int sumPrime = 0;
  10. int sumNoPrime = 0;
  11.  
  12. string command;
  13. cin >> command;
  14.  
  15. int number = 0;
  16.  
  17.  
  18. while (command != "stop" && command != "STOP") {
  19.  
  20. number = stoi(command);
  21. bool flag = false;
  22.  
  23. if (number < 0) {
  24. cout << "Number is negative." << endl;
  25. }
  26.  
  27. for (int i = 2; i <= number / 2; ++i) {
  28. if (number % i == 0) {
  29. sumNoPrime += number;
  30. flag = true;
  31. break;
  32. }
  33.  
  34. }
  35. if (flag == false && number >= 2) {
  36. sumPrime += number;
  37. }
  38.  
  39.  
  40. cin >> command;
  41.  
  42. }
  43.  
  44. cout << "Sum of all prime numbers is: " << sumPrime << endl;
  45. cout << "Sum of all non prime numbers is: " << sumNoPrime << endl;
  46.  
  47.  
  48. return 0;
  49. }
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