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  1. #include <iostream>
  2. #include <vector>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	freopen("SNUM.INP","r",stdin);
  7. 	freopen("SNUM.OUT","w",stdout);
  8. 	int n;
  9. 	cin >> n;
  10. 	vector<int>a(n);
  11. 	vector<int>b(100001,0);
  12. 	for (int i=0;i<n;i++) {
  13. 		cin >> a[i];
  14. 		b[a[i]]++;
  15. 	}
  16. 	for (int i=0;i<n;i++) {
  17. 		if (b[a[i]]==1) {
  18. 			cout << a[i] << " ";
  19. 		}
  20. 	}
  21. }
Success #stdin #stdout 0.01s 5284KB
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9 
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4
https://ideone.com/uZNx7k
language:
C++ (gcc 8.3)
created:
7 days ago
visibility:
public

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