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| #include <iostream> #include <set>
using namespace std;
int main() { set<int> s = {1, 2, 3, 4, 5};
for (auto &item : s) { cout << item << " "; } cout << endl;
for (auto it = s.begin(); it != s.end(); ++it) { cout << *it << " "; } cout << endl;
return 0; }
|