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