aldohadinata

Insert a node at the head of a linked list is a coding challenge with easy difficulty in the HackerRank data structures category. In this blog post, we’ll discuss how we can solve it in JavaScript in O(1) time and O(1) space complexity. Problem Statement Given a pointer to the head of a linked list, … Read more

Print the Elements of a Linked List is a coding challenge with easy difficulty in the HackerRank data structures category. In this blog post, we’ll discuss how we can solve it in JavaScript in O(n) time and O(1) space complexity. Problem Statement Given a pointer to the head node of a linked list, print each node’s data element, one … Read more

Array Manipulation is a coding challenge with hard difficulty in the HackerRank data structures category. In this blog post, we’ll discuss how we can solve it in JavaScript in O(n) time and O(n) space complexity. Problem Statement Starting with a 1-indexed array of zeros and a list of operations, for each operation add a value … Read more

Maximum Element is a coding challenge with easy difficulty in the HackerRank data structures category. In this blog post, we’ll discuss how we can solve it in JavaScript in O(n) time and O(n) space complexity. Problem Statement You have an empty sequence, and you will be given N queries. Each query is one of these three types: … Read more

Left Rotation is a coding challenge with easy difficulty in the HackerRank data structures category. In this blog post, we’ll discuss how we can solve it in JavaScript in O(n) time and O(1) space complexity. Problem Statement A left rotation operation on an array of size n shifts each of the array’s elements 1 unit to the left. Given an integer, d, … Read more