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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. int main()
  4. {
  5. 	long long int t,a,b,max,min,hop;
  6. 	cin >> t;
  7. 	while(t--)
  8. 	{
  9. 		cin >> a >> b;
  10. 		if(a>b)
  11. 		{
  12. 			max = a;
  13. 			min = b;
  14. 		}
  15. 		else
  16. 		{
  17. 			max = b;
  18. 			min = a;
  19. 		}
  20. 		hop = 0;
  21. 		while(max!=min)
  22. 		{
  23. 			if(max>min)
  24. 			{
  25. 				max = max/2;
  26. 				hop++;
  27. 			}
  28. 			else
  29. 			{
  30. 				min = min/2;
  31. 				hop++;
  32. 			}
  33. 		}
  34. 		cout << hop+1 << endl;
  35. 	}
  36. 	return 0;
  37. }
Success #stdin #stdout 0s 3464KB
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stdin
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3
2 3
2 7
5 15
stdout
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3
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https://ideone.com/tjOeM4
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
secret

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