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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int N, ans = 0;
  5. string t;
  6. set<string> s;
  7.  
  8. int main() {
  9. 	// your code goes here
  10. 	cin >> N;
  11. 	while(N--)
  12. 	{
  13. 		cin >> t;
  14. 		if(s.count(t) == 0)	++ans;
  15.  
  16. 		s.insert(t);
  17. 		reverse(t.begin(), t.end());
  18. 		s.insert(t);
  19. 	}
  20. 	return 0;
  21. }
Success #stdin #stdout 0.01s 5276KB
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https://ideone.com/Ouk26N
language:
C++ (gcc 8.3)
created:
8 days ago
visibility:
public

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