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  1. #include <iostream>
  2. #include <string>
  3. using namespace std;
  4.  
  5. int main()
  6. {
  7. int C;
  8. cin>>C;
  9. while(C--)
  10. {
  11. 	string str;
  12. 	cin>>str;
  13. 	int p,q,N,C=0,element=0;
  14. 	N=str.length();
  15. 	for(p=0;p<N;p++)
  16. 	{
  17. 		C=0;
  18. 		for(q=0;q<N;q++)
  19. 		{
  20. 			if(str[q]==str[p])
  21. 			{
  22. 				C++;
  23. 			}
  24. 		}
  25. 		if(C>1)
  26. 		{
  27. 			element=str[p];
  28. 			break;
  29. 		}
  30. 	}
  31. 	if(C==0 || element==0)
  32. 	  cout<<".\n";
  33. 	else
  34. 	  cout<<(char)element<<"\n";
  35.  
  36. }
  37. 	return 0;
  38. }
Success #stdin #stdout 0s 5488KB
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datastructures
algorithms
smartinterviews
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https://ideone.com/VilnNn
language:
C++ (gcc 8.3)
created:
2 years ago
visibility:
public

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