## Sum of all the levels in a Binary Search Tree

Given a Binary Search Tree, the task is to find the horizontal sum of the nodes that are in the same level. Examples: Input: Output:… Read More »

- Count the Number of Binary Search Trees present in a Binary Tree
- Make Binary Search Tree
- Total number of possible Binary Search Trees using Catalan Number
- Two nodes of a BST are swapped, correct the BST | Set-2
- Find the node with maximum value in a Binary Search Tree using recursion
- Applications of BST
- Merge two BSTs with constant extra space
- Sum of all the levels in a Binary Search Tree
- Maximum sub-tree sum in a Binary Tree such that the sub-tree is also a BST
- Pair with a given sum in BST | Set 2
- Find the node with minimum value in a Binary Search Tree using recursion
- Generate two BSTs from the given array such that maximum height among them is minimum
- Minimum number of stacks possible using boxes of given capacities
- Number of pairs with a given sum in a Binary Search Tree
- Implementing Forward Iterator in BST
- Number of edges in mirror image of Complete binary tree
- Nodes from given two BSTs with sum equal to X
- Triplet with a given sum in BST | Set 2
- Pair with minimum absolute difference | BST
- Implementing Backward Iterator in BST
- Flatten BST to sorted list | Increasing order
- Find the minimum absolute difference in two different BST's
- Flatten BST to sorted list | Decreasing order

Given a Binary Search Tree, the task is to find the horizontal sum of the nodes that are in the same level. Examples: Input: Output:… Read More »

Given an array of n integers, the task is to make two Binary Search Tree from the given array (in any order) such that the… Read More »

Given a complete binary tree of depth H. If the mirror image from the left and the right side of this tree is taken then:… Read More »

Binary Search Tree, is a node-based binary tree data structure which has the following properties: The left subtree of a node contains only nodes with… Read More »

Given a binary tree, the task is to print the maximum sum of nodes of a sub-tree which is also a Binary Search Tree. Examples:… Read More »

Given a binary tree, the task is to count the number of Binary Search Trees present in it. Examples: Input: 1 / \ 2 3… Read More »

Given N boxes with their capacities which denotes the total number of boxes that it can hold above it. You can stack up the boxes… Read More »

Given an array arr[] of size N. The task is to find whether it is possible to make Binary Search Tree with the given array… Read More »

The whole process was online. All the interviews were help via HackerRank CodePair Platform in our TPC office since they did not visit the campus.… Read More »

I applied for SSE position (Gurgaon Location) There were three rounds.. First round: Data Structures And Problem solving https://www.geeksforgeeks.org/level-order-traversal-in-spiral-form/ https://www.geeksforgeeks.org/rotate-a-matrix-by-90-degree-in-clockwise-direction-without-using-any-extra-space/ https://www.geeksforgeeks.org/design-a-data-structure-that-supports-insert-delete-search-and-getrandom-in-constant-time/ Second Round: Problem solving/Project… Read More »

Given a Binary tree and number of nodes in the tree, the task is to find the number of pairs violating the BST property. Binary… Read More »

Given a Binary Search Tree and a SUM. The task is to check if there exists any triplet(group of 3 elements) in the given BST… Read More »

Given a binary search tree. The task is to print all odd nodes of the binary search tree. Examples: Input : 5 / \ 3… Read More »

Given an array of integers, find the closest greater element for every element. If there is no greater element then print -1 Examples: Input :… Read More »

Given an array of integers, find the closest element for every element. Examples: Input : arr[] = {10, 5, 11, 6, 20, 12} Output :… Read More »