# Tag Archives: Binary Tree

Given a Binary Tree as shown below. The task is to count all pair of adjacent nodes whose XOR is an odd number. Explanation:  Initially,â€¦ Read More
Given a binary tree containing n distinct numbers and a value x. The problem is to count pairs in the given binary tree whose sumâ€¦ Read More
Given a Binary Tree and a Level. The task is to find the node with the maximum value at that given level. Recommended: Please tryâ€¦ Read More
Top view of a binary tree is the set of nodes visible when the tree is viewed from the top. Given a binary tree, printâ€¦ Read More
Given a binary tree represented as parent array, find Lowest Common Ancestor between two nodes ‘m’ and ‘n’.  In the above diagram, LCA of 10â€¦ Read More
Given two binary trees. The task is to write a program to check if the two trees are identical in structure. In the above figureâ€¦ Read More
Given a Binary Tree, find the maximum sum in a binary tree by adding the parent with its children. Exactly three Node needs to beâ€¦ Read More
Given a BT and a key Node, find the total sum in BT, except those nodes which are adjacent to key Node.  Examples: Recommended: Pleaseâ€¦ Read More
Round 1: Coding round + MCQs There were 2 coding questions and 20 mcqs of variable marks such as 4, 6 and 2 and noâ€¦ Read More
Consider you have an infinitely long binary tree having a pattern as below:  1 / \ 2 3 / \ / \ 4 5 6â€¦ Read More
Given a binary tree and data value of a node. The task is to find the sum of cousin nodes of given node. If givenâ€¦ Read More
A recursive and a non-recursive program to delete an entire binary tree has already been discussed in the previous posts. In this post, deleting theâ€¦ Read More
Given a binary tree and a node, print all cousins of given node. Note that siblings should not be printed. Examples:  Input : root ofâ€¦ Read More
Given a binary tree and 3 nodes a, b and c, the task is to find a node in the tree such that after removingâ€¦ Read More
Given a binary tree, print the level order traversal in such a way that first two levels are printed from left to right, next twoâ€¦ Read More