Online C++ Compiler

#include <bits/stdc++.h> using namespace std; int main(){ multiset<int> s; s.insert(10); s.insert(13); cout << "The size of multiset: " << s.size(); s.insert(13); s.insert(25); cout << "\nThe size of multiset: " << s.size(); s.insert(24); cout << "\nThe size of multiset: " << s.size(); return 0; }