You are given two singly linked lists that intersect at some node. Your task is to find and return the…

A builder plans to construct N houses in a row, where each house can be painted in K different colors….

You manage an e-commerce website and need to keep track of the last N order IDs in a log. Design…

There is a staircase with N steps, and you can ascend either 1 step or 2 steps at a time….

Problem Statement (Asked By Uber) Given a list of integers, return a new list such that each element at index…

A heap is a specialized tree-based data structure that satisfies the heap property. It is commonly used to implement priority…

What is a Trie in DSA? A trie, often known as a prefix tree, is a tree-like data structure used…

What is the Lowest Common Ancestor? In a tree, the lowest common ancestor (LCA) of two nodes, n1 and n2,…

A Binary Search Tree (BST) is a type of binary tree that satisfies the following properties: For any node in…

In binary trees, the views and types refer to different perspectives and classifications of the tree structure. Types of Views…