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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. int main()
  4. {
  5. int test;
  6. cin>>test;
  7. while(test--)
  8. {
  9. 	string str;
  10. 	cin>>str;
  11. 	int c,d,l,cnt=0,ele=0;
  12. 	l=str.length();
  13. 	for(c=0;c<l;c++)
  14. 	{
  15. 		cnt=0;
  16. 		for(d=0;d<l;d++)
  17. 		{
  18. 			if(str[d]==str[c])
  19. 			{
  20. 				cnt++;
  21. 			}
  22. 		}
  23. 		if(cnt>1)
  24. 		{
  25. 			ele=str[c];
  26. 			break;
  27. 		}
  28. 	}
  29. 	if(cnt==0 || ele==0)
  30. 	{
  31. 		cout<<".\n";
  32. 	}
  33. 	else
  34. 	{
  35. 		cout<<(char)ele<<"\n";
  36. 	}
  37. }
  38. 	return 0;
  39. }
Success #stdin #stdout 0s 5412KB
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datastructures
algorithms
smartinterviews
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https://ideone.com/2FHtYD
language:
C++ (gcc 8.3)
created:
2 years ago
visibility:
public

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