What is a Doubly Linked List? A doubly linked list is a type of linked list where each node contains data and two…
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Given head, the head of a linked list, determine if the linked list has a cycle in it. There is a cycle in a linked…
The “Reverse Linked List” problem is one of the most fundamental and frequently asked problems in data structures. It tests your understanding of pointer manipulation and recursion in a singly…
The “Middle of the Linked List” problem is a classic linked list question that helps you understand traversal techniques and…
The “Design Linked List” problem is a fundamental data structure question that tests your understanding of how linked lists work and how to implement them from scratch. In this…
A singly linked list is a key data structure in computer science, often used for dynamic memory allocation and for…
The “Find nth Root of m” problem is a classic example of how brute force and binary search can be…
The “Square Root using Binary Search” problem is a classic question that helps you understand both brute force and binary…
Given a sorted array, arr[] and a number target, you need to find the number of occurrences of target in arr[]. Here’s the [Problem Link] to begin with.…
Given an array of integers nums sorted in non-decreasing order, find the starting and ending position of a given target value. If target is not found…