Map Testing

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

int main()
{
   cout << "Hello World" << endl; 
   
   map<int,int> x;
   //x[1]= 2;
   map<int,int>::iterator a = x.end();
   --a;
   
   if(a == x.end()){
       cout << "They matched" << endl;
   } else {
       cout << "They missed" << endl;
   }
   
   
   return 0;
}