//Compares the values of a, b with 9 and if values <= 9 then
//Prints all values from 'a' uptill 'b' in string format
if ((a<=9)&&(b<=9)){ 
       for(n=a;n<=b;n++){
            cout << intMap[n-1]<<endl; 
        } }
    //Compares the values of a, b with 9
    //And if the value of a <= 9 and value of b > 9 then....
    else if ((a<=9)&&(b>9)){    
        //Prints all the values starting from 'a' uptill 9
        //in string format and then....
        for(n=a;n<=9;n++){
            cout<<intMap[n-1]<<endl;
        }
        //For values which are greater than 9 and <= to 'b'
        //Prints 'even' or 'odd' for them
        for(n=10;n<=b;n++){    
            if (n%2==0){
                cout<<"even"<<endl;
            }
             else {
                 cout<<"odd"<<endl;
             }
         }
  }

Hope that helps.