pair<string, string> p1("H","hello");

pair<string, string> p2("W", "word");

pair<string, string> p3("B", "beijing");

m.insert(p1);

m.insert(p2);

m.insert(p3);

map<string, string>::iterator itor = m.begin();

for (; itor != m.end(); itor++)

{

//cout << itor->first << endl;

cout << itor->second << endl;

cout << endl;

}