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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. #define ll long long
  4. string tmp[16]={"0000","0001","0010","0011","0100","0101","0110","0111","1000","1001","1010","1011","1100","1101","1110","1111"};
  5. ll gt(int n)
  6. {   
  7.     ll res=1;
  8. 	for(int i=0;i<n;i++)
  9. 	{
  10. 		res*=2;
  11. 	}
  12. 	return res;
  13. }
  14. string he16sang2(string str)
  15. {
  16. 	int n=str.size();
  17. 	string kq="";
  18. 	for(int i=0;i<n;i++)
  19. 	{
  20. 		int j=str[i] - '0';
  21. 		if(j>9)
  22. 		{
  23. 			j=str[i] - 'A';
  24. 			kq+=tmp[j+10];
  25. 		}
  26. 		else kq+=tmp[j];
  27. 	}
  28. 	//int i=0;
  29. 	//while(kq[i]=='0') kq.erase(i,1);
  30. 	return kq;
  31. }
  32. main()
  33. {
  34. 	int t;cin>>t;
  35. 	while(t--)
  36. 	{
  37. 		string s ; cin>>s;
  38. 		string str=he16sang2(s);
  39. 		int n=str.size(); reverse(str.begin(),str.end());
  40. 		ll int kq=0;
  41. 		for(int i=0;i<n;i++)
  42. 		{
  43. 			if(str[i]=='1')  kq+=gt(i);
  44. 		}
  45. 		cout<<kq<<endl;
  46. 	}
  47. }
Success #stdin #stdout 0.02s 5536KB
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https://ideone.com/AwZpik
language:
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created:
2 years ago
visibility:
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Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!