#include #include #include using namespace std;int main() { map m; m.insert(pair("A", 100)); m.insert(pair("G", 300)); m.insert(pair("B", 200)); // Declare an iterator to a map. map::iterator itr; // Declare a reverse iterator to a map. map::reverse_iterator ritr; // show the contents of m in reverse order. cout << "The contents of m in reverse:\n"; for(ritr=m.rbegin(); ritr != m.rend(); ++ritr) cout << " " << ritr->first << ", " << ritr->second << endl; cout << endl; return 0;}