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May 30th, 2017
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C 0.45 KB | None | 0 0
  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. int proizvod(int n)
  4. {
  5. if(n<10)
  6. return n;
  7. return n%10*proizvod(n/10);
  8. }
  9. int prost (int broj){
  10. {
  11. int n, i, flag = 0;
  12. for(i=2; i<=broj/2; ++i)
  13. {
  14. if(broj%i==0)
  15. {
  16. flag=1;
  17. break;
  18. }
  19. }
  20. if (flag==0)
  21. return 0;
  22. else
  23. return 1;
  24. }
  25. }
  26. int main()
  27. {
  28. int a, b, brojac=0;
  29. scanf("%d%d", &a, &b);
  30. for(; a<=b; a++)
  31. {
  32. if(prost(a-proizvod(a))==0)
  33. {
  34. printf("%d\n", a);
  35. brojac++;
  36. }
  37. }
  38. printf("Vkupno: %d", brojac);
  39. }
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