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  1. #include <bits/stdc++.h>
  2. #define endl '\n'
  3. using namespace std;
  4. bool vis[30];
  5. int main() {
  6.     int t; string str;
  7. 	cin>>t;
  8. 	while(t--)
  9. 	{
  10. 		memset(vis,false,sizeof(vis));
  11. 	    cin>>str;
  12. 	    vector<char> places;
  13. 	    for(char ch : str) 
  14. 	    	if(!vis[ch-'a']) {
  15. 	    		vis[ch-'a'] = true;
  16. 	    		places.push_back(ch);
  17. 	    	}
  18. 	    for(char c : places)
  19. 	    	cout << c;
  20. 	    cout << '\n';
  21. 	}
  22. 	return 0;
  23. }
Success #stdin #stdout 0s 4348KB
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https://ideone.com/9LHeAb
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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