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  1. #include <iostream>
  2. #include <algorithm>
  3. using namespace std;
  4.  
  5. int main() {
  6. const int MAX_N = 1e5;
  7. int arr[MAX_N];
  8. int N;
  9. cin >> N;
  10. for(int i = 0; i < N; i++){
  11. cin >> arr[i];
  12. }
  13. sort(arr, arr + N);
  14. for(int i = 0; i < N - 1; i++){
  15. if(arr[i] == arr[i - 1]) continue;
  16. cout << arr[i] << ' ';
  17. }
  18. cout << arr[N - 1] << '\n';
  19. return 0;
  20. }
Success #stdin #stdout 0s 5316KB
stdin
10
5 1 5 2 1 3 8 8 9 1
stdout
1 2 3 5 8 9