## Given a binary tree, print nodes between two given level numbers

Leave a comment | Filed under TreesGiven a binary tree and two level numbers ‘low’ and ‘high’, print nodes from level low to level high.

Read More »A given array represents a tree in such a way that the array value gives the parent node of that particular index. The value of the root node index would always be -1.

Read More »## Minimum no. of iterations to pass information to all nodes in the tree

Leave a comment | Filed under TreesGiven a very large n-ary tree. Where the root node has some information which it wants to pass to all of its children down to the leaves with the constraint that it can only pass the information to one of its children at a time (take it as one iteration).

Read More »Given a Binary Tree where every node has following structure. struct node { int key; struct node *left,*right,*random; } The random pointer points to any random node of the binary tree and can even point to NULL, clone the given binary tree.

Read More »Given the binary Tree and the two nodes say ‘a’ and ‘b’, determine whether the two nodes are cousins of each other or not.

Read More »## Check if a binary tree is subtree of another binary tree | Set 2

Leave a comment | Filed under TreesGiven two binary trees, check if the first tree is subtree of the second one. A subtree of a tree T is a tree S consisting of a node in T and all of its descendants in T.

Read More »I recently encountered with a question in an interview at e-commerce company. The interviewer asked the following question:

Read More »Given a binary tree in which each node element contains a number. Find the maximum possible sum from one leaf node to another.

Read More »Given a Perfect Binary Tree, reverse the alternate level nodes of the binary tree.

Read More »Given a BST, transform it into greater sum tree where each node contains sum of all nodes greater than that node.

Read More »## Print a Binary Tree in Vertical Order | Set 2 (Hashmap based Method)

Leave a comment | Filed under TreesGiven a binary tree, print it vertically. The following example illustrates vertical order traversal.

Read More »Given a Binary Tree, print Right view of it. Right view of a Binary Tree is set of nodes visible when tree is visited from Right side.

Read More »We have discussed following topics on Red-Black tree in previous posts. We strongly recommend to refer following post as prerequisite of this post.

Read More »Given inorder and level-order traversals of a Binary Tree, construct the Binary Tree. Following is an example to illustrate the problem.

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