Day 22 — Queue using List

Day 22 — Queue using List

100 Days to Amazon

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*100 Days to Amazon — *Day 22 — Queue using List

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Hey Guys, Today is day 22 **of the challenge that I took. Wherein I will be solving every day for 100 days the [programming questions]( that have been asked in previous interviews.**

You have a bonus at the end if you keep reading. You can find out the companies that have asked these questions in real interviews.

All these problems are taken from the following [e-book_]( 🎓_

This is completely free 🆓 if you have an amazon kindle subscription.

This e-book contains 100 coding problems that have been asked in top tech interview questions. It also has a guide to solving all the problems in 200+ ways. **These problems I assure you** has been asked in previous interviews.

You have to decide whether you want to go** unprepared *for a tech interview or go ahead and **quick search for this guide *to solve the 100 problems.

Begin Your ascent to greatness🚀

Note :_ this e-book only contains the _links __to the__solutions.

Day 22- Queue using Linked List


To Implement a Q using LinkedList.

You need to implement** an enqueue** and** dequeue **function.

When *getHeadOfLinkedList *is called, return the *head *of the linked list.

When enqueue is called, insert the items in the list at the head.

When the Q is empty and** dequeue** is called return 0.

When the Q is empty, GetMax and GetMin *should return *0.

GetMin should return the MIN element **in the Qand it should NOT** remove the element out.



**GETMAX **should return:** 6**


Author: Akshay Ravindran


This is a *basic linked list *concept that is used to create a queue data structure.

*Queue *by default works based on the** first come first serve strategy(FIFO).**

When a** data element is inserted a node is created and it is **inserted to the tail of the existing list if there is a list already.

If there is no existing list the node is created and made as to the** head **of the list.

Enqueue *function adds a node to the list and the *dequeue function removes the top element from the** lists.**

If there are no elements in the list then the** dequeue function returns 0 **as the result.

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