for(auto data : set) { cout << data << endl; } 일케 하면 안댐?
https://en.cppreference.com/w/cpp/container/set
*(set.begin()) - dc App
iter 역참조니까 - dc App
for(auto data : set) { cout << data << endl; } 일케 하면 안댐?
https://en.cppreference.com/w/cpp/container/set
*(set.begin()) - dc App
iter 역참조니까 - dc App