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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int t;	cin >> t;
  6. 	unordered_map<string,int> freq;
  7. 	while(t--){
  8. 		string n;	cin >> n;
  9. 		if(freq.find(n) == freq.end()){
  10. 			cout << "NO\n";
  11. 			freq[n]++;
  12. 		}else	cout << "YES\n";
  13. 	}
  14. 	return 0;
  15. }
Success #stdin #stdout 0s 5288KB
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stdin
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3
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NO
YES
YES
https://ideone.com/JmlYNq
language:
C++ (gcc 8.3)
created:
4 days ago
visibility:
public

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