#include <iostream>
#include <set>
using namespace std;
set<int> foo;
set<int> &setik = foo;
void fn()
{
set<int> temp;
temp.insert(5);
setik = temp;
}
int main() {
fn();
std::cout << foo.size() << " " << setik.size() << std::endl;
return 0;
}
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