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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. int main(){
  4. 	int a,b;
  5. 	cin>>a>>b;
  6. 	if(a>b){
  7. 		cout<<0;
  8. 		return 0;
  9. 	}
  10. 	double ans;
  11. 	ans=log((double)b/(double)a)/log(1.50);
  12. 	if(a*pow(3,ans) == b*pow(2,ans))
  13. 		cout<<(int)(ans+1);
  14. 	else
  15. 		cout<<int(ans);
  16. }
Success #stdin #stdout 0s 15240KB
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https://ideone.com/RdreCr
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
secret

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