Abstract Class Polymorphism C Hackerrank

I am not a c programmer and i am speculating slightly im also using instead of due to some bug in hackerranks comment editting.

Abstract class polymorphism c hackerrank. A cache is a component that stores data so future requests for that data can be served faster. Abstract classes polymorphism in c hacker rank solution. In this case do we not have an abstract base class wherein there are pure virtual member functions which are iherited. The code provided in the editor will use your derived class lrucache to output the value whenever a get command is encountered.

We would like to show you a description here but the site wont allow us. Is it not polymorphism to inherit member variables andor functions from a base class. Thus they are allowed to have virtual member functions without definitions. Abstract classes polymorphism.

Abstract classes polymorphism. I think the idea is that the order of the key value pairs stored by a map is the order in which the key value pairs have been put into it ie. Abstract base classes in c can only be used as base classes. The data stored in a cache might be the results of an earlier computation or the duplicates of data stored.

The test case on hackerrank is poorly designedit may not cover all the situation that a lru may occura personal suggestion is due to that hackerrank is using the. An abstract class is a class that cannot be instantiated meaning you cannot create a newinstance of itattempting to instantiate an abstract class such as abstract class book provided for you in the editor like so. Abstract base classes in c can only be used as base classes. Abstract classes polymorphism.

If the keys were 5 3 2 1 4 and you had hit the key 2 then you would want to take the. Thus they are allowed. It second is the node youve found based on the key k and that you want to take to the head of the cache you do so by head it secondas a consequence the two nodes before and after the node you hit that is it second prev and it second next respectively are now next to each other.