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Feb 26th, 2017
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  1. #include <iostream>
  2. #include <fstream>
  3.  
  4. using namespace std;
  5.  
  6. int main()
  7. {
  8. ifstream fd("duomenys.txt");
  9. float n;
  10. float svoris,skanumas,vid,suma=0;
  11. int k=0;
  12. fd>>n;
  13. for(int i=1;i<=n;i++)
  14. {
  15. fd>>svoris;
  16. fd>>skanumas;
  17. if(svoris>1&&skanumas==1)
  18. {
  19. suma=suma+svoris;
  20. k++;
  21. }
  22. }
  23. vid=suma/n;
  24. cout<<k<<endl<<suma<<endl<<vid;
  25. return 0;
  26. }
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