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#include <iostream> #include <set> #include <string> using namespace std; int main() { set<string> names; names.insert("bojan"); names.insert("darko"); names.insert("nikola"); names.insert("darko"); names.insert("darko"); cout << names.size() << endl; //3 cout << names.count("bojan") << endl; //1 cout << names.count("darko") << endl; //1 names.erase("darko"); names.erase("nikola"); cout << names.size() << endl; //1 return 0; }
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