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oskar_skutnik

Untitled

Oct 23rd, 2019
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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. int v1,v2,n,y=0;
  6. int sr[n];
  7.  
  8. int main()
  9. {
  10.  
  11. cin >> n;
  12. for (int i=0;i<n;i++)
  13. {
  14. cin >> v1>>v2;
  15. sr[y]=(2*v1*v2)/(v1+v2);
  16. y++;
  17. }
  18. y=0;
  19. for(int i=0;i<n;i++)
  20. {
  21. cout<<sr[y]<<endl;
  22. y++;
  23. }
  24. return 0;
  25. }
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