# Status Problem video Level Completes Likes 103 Delete X Nodes After Y Nodes In a Linked List Beginner % 0 94 Depth First Search/Traversal in Binary Tree Beginner % 0 91 Check if Array is Consecutive Integers Beginner % 0 87 Find Intersection of Two Sorted Arrays Beginner % 0 68 Transforming a Binary Tree into its Mirror Image Beginner % 0 67 Printing Nodes without Siblings in a Binary Tree Beginner % 0 60 Determine if Two BSTs are Identical Beginner % 0 52 Find Common Numbers in Three Sorted Arrays Beginner % 0 47 Find the Size of the Binary Tree Beginner % 0 36 Find the Maximum Depth OR Height of a Binary Tree Beginner % 1 32 Binary Search Tree (BST) Complete Implementation. Beginner % 0 29 Delete a Node in the Middle of a Linked List Without Access to Head Node Beginner % 0 28 Determine the Nth Node from the Tail in a Linked List Beginner % 0 27 Remove Duplicates from an Unsorted Linked list Beginner % 0 26 Check if one string is Rotation of another string Beginner % 1 25 String Compression using count of repeated characters - Run Length Encoding Beginner % 0 23 Find Whether Two Strings are Permutation of each other Beginner % 1 20 Reverse a Linked List Beginner % 0 16 Singly Linked List Implementation Beginner % 0 12 Efficient Methods to Find Pairs with Sum K in an Array Beginner % 0 Delete X Nodes After Y Nodes In a Linked List Depth First Search/Traversal in Binary Tree Check if Array is Consecutive Integers Find Intersection of Two Sorted Arrays Transforming a Binary Tree into its Mirror Image Printing Nodes without Siblings in a Binary Tree Determine if Two BSTs are Identical Find Common Numbers in Three Sorted Arrays Find the Size of the Binary Tree Find the Maximum Depth OR Height of a Binary Tree Binary Search Tree (BST) Complete Implementation. Delete a Node in the Middle of a Linked List Without Access to Head Node Determine the Nth Node from the Tail in a Linked List Remove Duplicates from an Unsorted Linked list Check if one string is Rotation of another string String Compression using count of repeated characters - Run Length Encoding Find Whether Two Strings are Permutation of each other Reverse a Linked List Singly Linked List Implementation Efficient Methods to Find Pairs with Sum K in an Array 1 2 3 4 5 6 7 8 9 10 11 12
