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- #include <iostream>
- #include <cmath>
- #include <algorithm>
- using namespace std;
- int main()
- {
- int a=0;
- cin >> a;
- int arr[a];
- for (int i=0; i<a; i++)
- cin >> arr[i];
- for (int i=0; i<a; i++)
- if (arr[i]!=-1)
- for (int j=i+1; j<a; j++)
- if (arr[i]==arr[j])
- arr[j]=-1;
- for (int i=0; i<a; i++)
- if (arr[i]!=-1)
- cout << arr[i] << " ";
- }
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