Online C++ Compiler

#include <bits/stdc++.h> using namespace std; int main(){ set<int> mySet; auto i = mySet.insert(mySet.begin(), 10); i = mySet.insert(i, 20); i = mySet.insert(i, 40); i = mySet.insert(i, 30); i = mySet.insert(i, 80); i = mySet.insert(mySet.end(), 90); cout<<"Elements are: "; for (auto i = mySet.begin(); i != mySet.end(); i++) cout << *i << " "; return 0; }