#include <iostream>
#include <map>
#include <string>
using namespace std;

int main() {
  typedef map<string,double> myMap; // alias for convenience
  myMap::iterator pos;
  myMap m;                     // a map from strings to doubles
  m["dog"];                    // puts pair <"dog",0.0> into m
  m["bird"]=5.2;               // puts pair <"bird",5.2> into m
  pos = m.find("cat");         // returns m.end() for not found
  cout<< (pos==m.end())<< endl;// prints 1 (true) 
  pos = m.find("bird");        // pos points to <"bird",5.2>
  if (pos!=m.end()) {
    cout<< pos->first<< endl;  // prints "bird"
    cout<< pos->second<< endl; // prints 5.2;  }
  }
}