Online C++ Compiler

#include <bits/stdc++.h> using namespace std; int main() { multimap<int, int> mul; //inserting elements in multimap mul.insert({ 1, 10 }); mul.insert({ 2, 20 }); mul.insert({ 3, 30 }); mul.insert({ 4, 40 }); mul.insert({ 5, 50 }); //fetching first element using rbegin() cout<<"First element is: "<<mul.rbegin()->first<<","<<mul.rbegin()->second; //displaying multimap elements cout << "\nElements in multimap is : \n"; cout << "KEY\tELEMENT\n"; for (auto it = mul.rbegin(); it!= mul.rend(); ++it) { cout << it->first << '\t' << it->second << '\n'; } return 0; }