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Oct 17th, 2019
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  1. #include <iostream>
  2. #include <fstream>
  3. #include <cmath>
  4. using namespace std;
  5.  
  6. int main()
  7. {
  8. fstream f("date.in");
  9. int y,pr=0,ul=0,poz=0;
  10. while(f>>y)
  11. {
  12. poz++;
  13. if(y%2==0)
  14.  
  15. if(pr==0)
  16. pr=poz;
  17.  
  18. else
  19. ul=poz;
  20. }
  21. if(pr==0)
  22. cout<<"nu are el pare";
  23. else
  24. if(ul==0)
  25. cout<<"doar un element par";
  26. else
  27. cout<<ul-pr+1;
  28. f.close();
  29. return 0;
  30. }
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