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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. vector<int> thr(int x)
  4. {
  5. 	vector <int>v,vv;
  6. 	while(x)
  7. 	{
  8. 		if(x%3>1)
  9. 		{
  10. 			vv.push_back(-1);
  11. 			return vv;
  12. 		}
  13. 		v.push_back(x%3);
  14. 		x/=3;
  15. 	}
  16. 	return v;
  17. }
  18. int main() {
  19. 	int t;
  20. 	cin>>t;
  21. 	while(t--)
  22. 	{
  23. 		int x;
  24. 		long long y=0;
  25. 		cin>>x;
  26. 		vector<int> v2=thr(x);
  27. 		for(int i=0;i<v2.size();i++)
  28. 		{
  29. 			y+=v2[i]*pow(2,i);
  30. 		}
  31.  
  32. 		cout<<y;
  33. 	}
  34. 	return 0;
  35. }
Success #stdin #stdout 0.01s 5380KB
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5712-1
https://ideone.com/sMaxYX
language:
C++ (gcc 8.3)
created:
1 year ago
visibility:
public

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