Simple Map Example

 #include  <map>
 #include  <string>
 using  namespace  std;
 int  main()  {
         map<string,  int>  count;
         string  s;
         while  (cin  >>  s)  {
                 count[s]  =  count[s]  +  1;
                 //  OR:  count[s]++;
         }
 }