Problems # Status Problem Level Completes Likes 1 Check If Given Undirected Graph is a tree Medium % 0 2 Check the completeness of given binary tree | Set 2 - Using Level Order Traversal Medium % 0 3 Check the completeness of given binary tree | Set 1 - Using Node Count Medium % 0 4 Check if the given binary tree is Full or not. Beginner % 0 5 Convert Binary Tree into Threaded Binary Tree Hard % 0 6 Double Threaded Binary Tree Complete Implementation Hard % 0 7 Single Threaded Binary Tree Complete Implementation Hard % 0 8 Introduction to Threaded Binary Tree Medium % 0 9 Convert BST to Greater Sum Tree Medium % 0 10 Get the Sum of all left leaves in a Binary tree Beginner % 0 11 Convert binary tree to its Sum tree Medium % 1 12 Binary Tree-Postorder Traversal - Non Recursive Approach Beginner % 0 13 Binary Tree - Preorder Traversal - Non Recursive Approach Beginner % 0 14 Binary Tree-Inorder Traversal - Non Recursive Approach Beginner % 0 15 Delete the Binary Tree Beginner % 0 16 Search the Element in a binary tree - With and Without Recursion Beginner % 0 17 Tree Traversals Beginner % 0 18 Find the Size of a Binary Tree without Recursion Beginner % 0 19 Breadth-First Search/Traversal in a Binary Tree Beginner % 0 20 Merge K Sorted Arrays Hard % 0 21 Find the Deepest Left Node in a Binary Tree. Medium % 0 22 Find the Max element in a Given Binary Tree Beginner % 0 23 Populate Next Siblings Pointers in a Given Binary Tree OR Populate Next Right Pointers in Each Node Hard % 0 24 Check If One Binary is Mirror Tree of another Binary Tree. Beginner % 0 25 Print All Paths From Root In a Binary Tree Whose Sum is Equal to a Given Number Medium % 0 26 Diameter Of a Binary Tree Hard % 1 27 Find the Deepest Node in a Binary Tree. Medium % 0 28 Print All The Full Nodes in a Binary Tree Beginner % 0 29 Binary Min-Max Heap Implementation Hard % 0 30 Print the Bottom View of the Binary Tree. Medium % 0 31 AVL Tree - Insertion Hard % 0 32 Construct a binary tree from given Inorder and Level Order Traversal Hard % 0 33 Construct Binary Search Tree from a given Preorder Traversal Using Stack (Without Recursion) Hard % 0 34 Construct Binary Search Tree from a given Preorder Traversal using Recursion Hard % 0 35 Print The Top View of a Binary Tree Medium % 0 Check If Given Undirected Graph is a tree Check the completeness of given binary tree | Set 2 - Using Level Order Traversal Check the completeness of given binary tree | Set 1 - Using Node Count Check if the given binary tree is Full or not. Convert Binary Tree into Threaded Binary Tree Double Threaded Binary Tree Complete Implementation Single Threaded Binary Tree Complete Implementation Introduction to Threaded Binary Tree Convert BST to Greater Sum Tree Get the Sum of all left leaves in a Binary tree Convert binary tree to its Sum tree Binary Tree-Postorder Traversal - Non Recursive Approach Binary Tree - Preorder Traversal - Non Recursive Approach Binary Tree-Inorder Traversal - Non Recursive Approach Delete the Binary Tree Search the Element in a binary tree - With and Without Recursion Tree Traversals Find the Size of a Binary Tree without Recursion Breadth-First Search/Traversal in a Binary Tree Merge K Sorted Arrays Find the Deepest Left Node in a Binary Tree. Find the Max element in a Given Binary Tree Populate Next Siblings Pointers in a Given Binary Tree OR Populate Next Right Pointers in Each Node Check If One Binary is Mirror Tree of another Binary Tree. Print All Paths From Root In a Binary Tree Whose Sum is Equal to a Given Number Diameter Of a Binary Tree Find the Deepest Node in a Binary Tree. Print All The Full Nodes in a Binary Tree Binary Min-Max Heap Implementation Print the Bottom View of the Binary Tree. AVL Tree - Insertion Construct a binary tree from given Inorder and Level Order Traversal Construct Binary Search Tree from a given Preorder Traversal Using Stack (Without Recursion) Construct Binary Search Tree from a given Preorder Traversal using Recursion Print The Top View of a Binary Tree 1 2