This is a definitive roadmap of system design for software engineers with no prior experience on the subject. If you

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This roadmap is aimed at helping entry-level software engineering jobs aspirants at top tech product-based companies and startups. Note: Please

Continue reading## Print Nodes at Distance K in a Binary Tree

Problem Statement: Given a binary tree, a node from the tree, and an integer ‘K’, find all nodes that are

Continue reading## LCA in Binary Search Tree

Problem Statement: Given a binary search tree (BST), find the lowest common ancestor (LCA) node of two given nodes in

Continue reading## Check if a tree is a Binary Search Tree or Binary Tree

Problem Statement: Given the root of a binary tree, determine if it is a valid binary search tree (BST). A

Continue reading## Delete a Node in Binary Search Tree

Problem Statement: Given a root node reference of a Binary Search Tree and a key, delete the node with the

Continue reading## Insert a Given Node in Binary Search Tree

Problem Statement: Given a root node reference of a Binary Search Tree and a key, insert a new node with

Continue reading## Delete the Middle Node of the Linked List

Problem Statement: Given the head of a linked list of integers, delete the middle node of the linked list and

Continue reading## Length of Loop in Linked List

Problem Statement: Given the head of a linked list, determine the length of a loop present in the linked list;

Continue reading## Top LinkedList Interview Questions – Structured Path with Video Solutions

LinkedList Series Overview Given below is the best-structured path to learn LinkedList with the best video tutorials, and at the

Continue reading## Insert before the node with Value X of the Linked List

Problem Statement: Given a linked list, an element el, and a value val, your task is to insert a new

Continue reading## Insert before the Kth element of the Linked List

Problem Statement: Given a linked list, an integer K, and a value val, your task is to insert a new

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