Created linked list will be 11 -> 11 -> 11 -> 13 -> 13 -> 20
push ( & head , 20 ) ; push ( & head , 13 ) ; push ( & head , 13 ) ; push ( & head , 11 ) ; push ( & head , 11 ) ; push ( & head , 11 ) ; cout << " Linked ▁ list ▁ before ▁ duplicate ▁ removal ▁ " ; printList ( head ) ; cout << " Linked list after duplicate removal " ; removeDuplicates ( head ) ; return 0 ; }