All Tree questions

• Geeksforgeeks
• Convert a given tree to a sum tree
• Populate in order successor for all nodes
• **In order successor in BST
• **Connect nodes at same level using constant extra space
• **Connect Nodes at the same level
• **Trie data Structure
• **Decision Tree
• **Construct a tree from in order and pre order traversal
• **In order traversal with out recursion
• **Inorder traversal with out recursion and without stack 
• Convert an arbitrary tree to a tree that holds children sum property
• Check if a given tree is BST or not
• Size of a tree
• Lowest common ancestor
• Tree traversals
• Check if two trees are identical
• Maximum depth of a tree
• Which traversal sequence needed to construct a binary tree
• Find the node with minimum value in BST
• Print all root to leaf paths one per line
• Count leaf nodes in a tree
• Check for children sum property in binary tree
• Check if tree is height balanced ?
• ***********Tournament Tree (Winner Tree) and Binary Heap
• ***********Get Maximum width of a tree
• Root to leaf path sum equal to given number
• Check if a given tree is sum tree or not
• Print ancestors of a node in tree
• Print nodes at K distance from root
• Sorted array to balanced BST
• Sorted order printing of a given array that represents a BST
•  Construct a binary search tree
• Trim binary search tree
• Mirror image of a tree in iterative way
• Mirror image of a tree in recursive way
• Level of a node in a binary search tree
• Peripheral of a tree
• Isomorphic tree
• Quasi isomorphic trees
• Is a tree complete
• Level order tree traversal
• Level order traversal of a tree in spiral form
• Binary search of a tree
• Binary search tree validity
• Saving binary search tree to a file
• Serialization and de serialization of binary tree
• Successor or predecessor rules in a binary tree
• Remove duplicate nodes in a binary search tree
• Is sub tree ? 
• Pint edge(boundary)  nodes of a tree
• Anti clock wise peripheral of a tree
• ************Largest binary search tree in a binary tree*************
• Diameter of a binary tree
• **********Convert binary tree into spiral doubly linked list
• Foldable binary trees
• ***********Convert binary tree into doubly linked list
• Find Kth largest and smallest number in Binary search tree
• Minimum distance between two nodes of a binary tree
• Vertical sum in a binary tree
• Merge two balanced binary search trees
• Maximum sum leaf to root path in binary tree