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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int n;
  6. 	cin>>n;
  7. 	string st,st1;
  8. 	set<string>s;
  9. 	while(n--)
  10. 	{
  11. 		cin>>st>>st1;
  12. 		s.insert(st+"-"+st1);
  13. 		cout<<(st+"-"+st1)<<endl;
  14. 	}
  15. 	cout<<s.size();
  16. 	return 0;
  17. }
Success #stdin #stdout 0s 5516KB
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stdin
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3
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stdout
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oak-yellow
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1
https://ideone.com/EYrXRC
language:
C++14 (gcc 8.3)
created:
1 year ago
visibility:
public

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