Find loop length in a cyclic/circular linked list
Input : A linked list Output: An integer This post is a follow-up of – JavaScript Linked List Example – Detect a loop in cycliccircular linked list. I recommend reading those posts first, as...
Tagged: singly-linked-list
Detect a loop in cyclic/circular linked list
Logic : If a linked list has a cycle then no node has a null as next pointer. A simple loop exists when p1.next.next !== null as shown below. While iterating over the linked...
Given a singly linked list find if it is palindrome
Problem description : Write a function to determine if a singly linked list is a palindrome. Input : A linked list Output : Boolean (true or false) Approach 1: Reverse and compare the linked...
Reverse a singly linked list
Problem description : Write a function to reverse a singly linked list. Input : A linked list Output : A linked list Logic : Iterate through linked list with three-pointers previous, current, next. While...
Partition a linked list around a value
Problem description : Write code to partition a linked list around a value val, such that all nodes less than val come before all nodes greater than or equal to val. Input : A...
Find the kth to last element of a singly linked list
Problem description : Implement a non-recursive algorithm to find the kth to last element of a singly linked list. Input : A linked list Output : A value of a node in a linked...
Delete a node from a linked list in javascript
Problem description : Write a method to remove a node from a linked list. Input: A linked list Output: A linked list with one less node Logic : Iterate through the list, if you...
Remove duplicates from an unsorted linked list
Problem description : Write a method to remove duplicates from an unsorted linked list. Input : A linked list Output : A linked list with unique elements This post is a follow-up of JavaScript...
Javascript linked list example
Challenge Problem : Implement LinkedList in javascript, with a following method: insertNodeAtTail – adds a node to the tail of a linked list. deleteNode – delets a node from the linked list and updates...