Top 50 Binary Search Tree Coding Problems for Interviews Last Updated : 13 Mar, 2024 Comments Improve Suggest changes Like Article Like Report Binary Search Trees (BST) are like organized lists that help find, add, and remove items quickly. In our article "Top 50 Binary Search Tree Coding Problems for Interviews", we have collected a list of 50 coding problems, these problems are designed to boost your problem-solving abilities and prepare you for interviews. By working on these problems, you can become better at using BSTs and excel in coding interviews. Join us on this learning journey and become a pro at solving Binary Search Tree problems! Top 50 Binary Search Tree Coding Problems for Interviews Binary Search Tree (BST) Coding Problems for Interviews: Level 1Problems Solve A program to check if a Binary Tree is BST or not Solve Count BST nodes that lie in a given range Solve Searching in Binary Search Tree (BST) Solve Lowest Common Ancestor in a Binary Search Tree. Solve K’th Largest Element in BST when modification to BST is not allowed Solve Find the node with minimum value in a Binary Search Tree Solve Inorder Successor in Binary Search Tree Solve Find median of BST Solve Binary Tree to Binary Search Tree Conversion Solve Count pairs from two BSTs whose sum is equal to a given value x Solve Binary Search Tree (BST) Coding Problems for Interviews: Level 2Problems Solve Inorder predecessor and successor for a given key in BST Solve Check if a given Binary Tree is a Heap Solve Find the closest element in Binary Search Tree Solve Number of Unique BST with a given key | Dynamic Programming Solve Check whether BST contains Dead End or not Solve Print Common Nodes in Two Binary Search Trees Solve Sorted Array to Balanced BST Solve Find postorder traversal of BST from preorder traversal Solve Balance a Binary Search Tree Solve Find a pair with given sum in BST Solve Check if a given array can represent Preorder Traversal of Binary Search Tree Solve Add all greater values to every node in a given BST Solve Replace every element with the least greater element on its right Solve Sum of Descendant Nodes Below Target in Binary Search Tree Solve Find the maximum sum leaf to root path in a Binary Tree Solve Leaf nodes from Preorder of a Binary Search Tree Solve Convert BST to Max Heap Solve Transform a BST to greater sum tree Solve Remove BST keys outside the given range Solve Count of pairs violating BST property Solve Maximum product of an increasing subsequence of size 3 Solve Lowest Common Ancestor in a Binary Search Tree. Solve Pair with minimum absolute difference in BST Solve Print Nodes in Top View of Binary Tree Solve Deletion in Binary Search Tree (BST) Solve Find the largest BST subtree in a given Binary Tree | Set 3 Solve K’th smallest element in BST using O(1) Extra Space Solve Leaf nodes from Preorder of a Binary Search Tree (Using Recursion) Solve Two nodes of a BST are swapped, correct the BST Solve Find a pair with given sum in a Balanced BST Solve Binary Search Tree (BST) Coding Problems for Interviews: Level 3Problems Solve Merge two BSTs with limited extra space Solve Optimal Binary Search Tree | DP-24 Solve Insertion in an AVL Tree Solve Sorted Linked List to Balanced BST Solve Find the minimum Sub-tree with target sum in a Binary search tree Solve Merge Two Balanced Binary Search Trees Solve Inversion count in Array Using Self-Balancing BST Solve Print BST keys in given Range | O(1) Space Solve Maximum Unique Element in every subarray of size K Solve Floor and Ceil from a BST Solve Related Articles: Top 50 Array Coding Problems for InterviewsTop 50 String Coding Problems for InterviewsTop 50 Tree Coding Problems for InterviewsTop 50 Graph Coding Problems for InterviewsTop 50 Sorting Coding Problems for Interviews Comment More infoAdvertise with us Next Article Top 50 Binary Search Tree Coding Problems for Interviews T tarunsarawgi_gfg Follow Improve Article Tags : Algorithms Binary Search Tree DSA interview-preparation Binary Search Trees GFG Sheets DSA Sheet +3 More Practice Tags : AlgorithmsBinary Search Tree Similar Reads Top 50 Tree Coding Problems for Interviews Here is the collection of the Top 50 list of frequently asked interview questions on Tree. Problems in this Article are divided into three Levels so that readers can practice according to the difficulty level step by step.Easy ProblemsHeight of Binary TreeDetermine if two trees are identicalMirror t 2 min read Top 50 Searching Coding Problems for Interviews Searching in Data Structures and Algorithms (DSA) is a fundamental operation that involves finding a specific element within a collection of data. In our article "Top 50 Searching Coding Problems for Interviews", we present a collection of essential coding challenges focused on searching algorithms. 2 min read Amazon interview Experience | Set 140 (Experienced for SDE) Hi, Recently i had interviews with Amazon. 1st Round (Telephonic): 1. Given an integer array and a constant number X, print all pair of number in the array whose product is equal to X. follow ups: how will you do in O(n)? how will you handle duplicate pairs? Code was required on collabedit. 2. He as 3 min read Directi Interview | Set 12 (On-Campus) Recently DirectI visited our campus for placements for three profiles - 1. Platform Engineer 2. Applications Engineer 3. Operations Engineer This process is for the first two profiles, I did not apply for Operations. Round 1: Online coding round (263 applicants) Q1. Given cost C[i] and calorie conte 4 min read Amazon Interview Experience | Set 233 (1 Year Experienced for SDE-1) I recently had interviews with Amazon.com, Bangalore. Here’s my interview experienceCoding round (1 hour): 1. Find minimum number of coins that make a given value Given a value V, if we want to make change for V cents, and we have infinite supply of each of C = { C1, C2, .. , Cm} valued coins, what 2 min read Directi Interview Experience | Set 14 (On-Campus) Direct I came for Full Time recruitment for Applications Engineer, Operations Engineer and Platform Engineer in our campus. Round 1 Online test on Codechef contains 3 Coding Questions 1.Find the maximum sum of path between any two leaf nodes in a binary tree represented as an array. Example: Given T 3 min read Amazon Interview Experience | Set 295 (On Campus) Amazon visited our campus for FTE’s (Full Time Employees). Interview process started with an online coding round followed by 4 face to face interviews. The level of difficulty increased as we move to the further rounds. All interview rounds started with brief introduction about me. Online Round: A h 9 min read Amazon Interview Experience | Set 359 (On-Campus) 20 MCQs mixed with simple Quants, logical, other Technical CS concepts (TOC, DS, DBMS, NETWORKS) 2 Programming questions (I solved both) Maximum Non-Adjacent Subsequence Use max (previous element’s exclusive + arr[i]) idea. See Geeks For Geeks or Tushar Roy video if needed. Profit sort (Find no. of 5 min read Microsoft Interview Experience | Set 159 (On campus) Round 1: The first round consisted of two coding questions to be solved in 1 hr - Given a binary tree, print the boundary of the tree in the anti-clockwise direction. Reference: https://www.geeksforgeeks.org/boundary-traversal-of-binary-tree/ Given a 2-D array, each consisting of value 0 or 1, 0 den 2 min read Accolite Interview Experience | Set 12 (On-Campus) Accolite visited our campus. There was a Pre-Placement talk before Round 1. Round 1 MCQ (20 Qus)- 30 Mins 72 people selected in 640 students. Round 2 - Paper Coding Print shortest path to print a string on screenFind zeroes to be flipped so that number of consecutive 1’s is maximizedSerialize and De 2 min read Like