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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. int main()
  4. {
  5. int t;
  6. cin>>t;
  7. while(t--)
  8. {
  9. 	string x;
  10. 	cin>>x;
  11. 	int s,c=0,w=0;
  12. 	s=x.length();
  13. 	for(int i=0;i<s;i++)
  14. 	{
  15. 		c=0;
  16. 		for(int j=0;j<s;j++)
  17. 		{
  18. 			if(x[j]==x[i])
  19. 			{
  20. 				c++;
  21. 			}
  22. 		}
  23. 		if(c>1)
  24. 		{
  25. 			w=x[i];
  26. 			break;
  27. 		}
  28. 	}
  29. 	if(c==0||w==0)
  30. 	{
  31. 		cout<<"."<<"\n";
  32. 	}
  33. 	else
  34. 	{
  35. 		cout<<(char)w<<"\n";
  36. 	}
  37. }
  38. 	return 0;
  39. }
Success #stdin #stdout 0.01s 5428KB
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4
datastructures
algorithms
smartinterviews
hackerrank
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https://ideone.com/xDStI7
language:
C++ (gcc 8.3)
created:
2 years ago
visibility:
public

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