#include <iostream>
#include <map>
#include <vector>
#include <string>
using namespace std;
int main() {
  map<string,double> m;
  m["dog"]=3; m["cat"]=2;
  // construct p from m
  vector<pair<string,double> > p(m.begin(),m.end());
  // declare iterator
  vector<pair<string,double> >::const_iterator pos;
  // print p
  for (pos=p.begin(); pos!=p.end(); ++pos)
    cout<< pos->first<< " "<< pos->second<< endl;
}