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masterm1nd99

moj nacin prost zbir prost

Dec 19th, 2018
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  1. #include<stdio.h>
  2. int prost(int n)
  3. {
  4. int j,br=0;
  5. for(j=2;j<n;j++)
  6. {
  7. if(n%j==0)
  8. br++;
  9. }
  10. if(br==0) return 1;
  11. else return 0;
  12. }
  13. int suma(int n)
  14. {
  15. int s=0,c;
  16. while(n)
  17. {
  18. c=n%10;
  19. s+=c;
  20. n/=10;
  21. }
  22. return s;
  23. }
  24.  
  25. int main()
  26. {
  27. int i;
  28. for(i=1; i<=10000; i++)
  29. {
  30. if(prost(i)==1 &&suma(prost(i)==1))
  31. printf("%d\t", i);
  32. }
  33. }
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