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- #include <iostream>
- #include <set>
- using namespace std;
- int main() {
- int n;
- cin >> n;
- set<int> s;
- for(int i = 0; i < n; i++) {
- int x;
- cin >> x;
- s.insert(x);
- }
- int broj;
- cin >> broj;
- set<int>::iterator it = s.find(broj);
- if(it != s.end()) {
- cout << "Postoi\n";
- }
- else {
- cout << "Ne postoi\n";
- }
- return 0;
- }
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