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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	ios_base::sync_with_stdio(0); cin.tie(NULL);
  6. 	int n;
  7. 	int r;
  8. 	int w;
  9. 	int x=0;
  10. 	cin>>n;
  11. 	for(int i=0;i<n;i++)
  12. 	{
  13. 	cin>>r;
  14. 	cin>>w;
  15. 	while(r<w)
  16. 	{
  17. 	r=2*r;
  18. 	x+=1;
  19. 	}
  20. 	cout<<x<<"\n";
  21. 	x=0;
  22. 	}
  23. 	return 0;
  24. }
Success #stdin #stdout 0s 15232KB
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https://ideone.com/VmU4Ng
language:
C++ 4.3.2 (gcc-4.3.2)
created:
5 years ago
visibility:
public

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