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- #include <bits/stdc++.h>
- using namespace std;
- int main() {
- set<int> st;
- int n;
- cin >> n;
- for(int i = 0; i < n; i++) {
- int x;
- cin >> x;
- st.insert(x);
- }
- for(set<int>::iterator it = st.begin(); it != st.end(); it++) {
- cout << *it << endl;
- }
- return 0;
- }
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