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AllSchoolBasicEasyMediumHard
All Problems of Tree
Problem Name Submissions  Accuracy  Topic Tags lock Company Tags
Largest Sum Contiguous Subarray in Range 266 37.61 lock
Range LCM Queries 267 53.56 lock
Duplicate Subtrees 470 27.89 lock
Construct a Full Binary Tree 476 48.33 lock
XOR of a given range 558 57.88 lock
Largest Independent Set Problem 620 49.86 lock
Depth of node 700 43.85 lock
pth common ancestor in BST 705 33.3 lock
Mirror of a given node 766 43.36 lock
Number of Turns in Binary Tree 779 22.65 lock
Remove Half Nodes 824 53.72 lock
Maximum path sum from any node 865 38.42 lock
Next Right Node 975 31.2 lock
Maximum Node Level 997 57.05 lock
Range Minimum Query 1018 49.71 lock
Pairs violating BST property 1055 47.08 lock BankBazaar
Perfect Binary Tree 1084 53 lock
Number of root to leaf paths 1189 43.35 lock
Convert Level Order Traversal to BST 1235 60.33 lock
Right Sibling in Binary Tree 1252 27.6 lock
Construct expression tree 1398 36.06 lock
Vertical Width of a Binary Tree 1444 44 lock
Tilt of Binary Tree 1447 55.63 lock
AVL Tree Deletion 1556 31.72 lock Amazon | MakeMyTrip | Oracle | Oxigen Wallet | Snapdeal
Construct tree from Inorder and LevelOrder 1556 37.34 lock
Sum of the Longest Bloodline of a Tree 1565 42.21 lock
Convert Ternary Expression to Binary Tree 1578 57.77 lock Facebook | Nutanix
Full binary tree 1844 68.02 lock
Children Sum Parent 1858 56.56 lock Accolite
Construct Tree from Preorder Traversal 1869 57.18 lock Amazon
Sum of given range 2029 74.57 lock
Leaf under budget 2046 30.6 lock Oracle
Diagonal Sum In Binary Tree 2082 56.25 lock Accolite
Binary Tree to CDLL 2088 49.82 lock
Exchange the Leaf Nodes 2116 30.06 lock
Sum of Right Leaf Nodes 2139 57.4 lock
Kth Ancestor in a Tree 2254 21.06 lock
Postorder traversal from given Inorder and Preorder traversals 2304 48.39 lock Payu
Duplicate subtree in Binary Tree 2486 26.52 lock Google
Check whether BST contains Dead End 2619 31.06 lock
Clone a Binary Tree 2701 53.03 lock Amazon | Synopsys
Height of Spiral Tree 2766 35.96 lock Amazon
Nodes at Odd Levels 2952 17.37 lock
Foldable Binary Tree 2988 59.56 lock Expedia
Sum of Binary Tree 3027 65.5 lock
Extreme nodes in alternate order 3030 44.46 lock Amazon
Count Non-Leaf Nodes in Tree 3091 54.63 lock
Deletion in a Binary Tree 3098 15.23 lock
Complete Binary Tree 3116 45.7 lock
AVL Tree Insertion 3122 33.24 lock Amazon | Citicorp | Informatica | MakeMyTrip | Oracle | Oxigen Wallet | Snapdeal
Closest Neighbor in BST 3284 19.34 lock
Leaves to DLL 3387 52.2 lock Amazon
Reverse alternate levels of a perfect binary tree 3397 39.34 lock Hike
Max Level Sum in Binary Tree 3516 55.68 lock Amazon
Delete nodes greater than k 3624 47.58 lock Microsoft
Sum of Left Leaf Nodes 3705 44.67 lock
Max and min element in Binary Tree 3722 50.25 lock
Leftmost and rightmost nodes of binary tree 3724 43.78 lock Amazon
Node at distance 3788 31.4 lock Microsoft
Sum of Leaf Nodes 3796 66.2 lock
Populate Inorder Successor for all nodes 3798 25.15 lock
Level of a Node in Binary Tree 3837 56.27 lock
ZigZag Tree Traversal 3853 40.97 lock
Nodes at given distance in binary tree 3916 32.61 lock Hike | Ola Cabs
Expression Tree 4005 53.62 lock Amazon | Flipkart | Snapdeal | Synopsys
Root to leaf paths sum 4038 48.17 lock Google
Vertical sum 4104 53.8 lock Amazon
Longest consecutive sequence in Binary tree 4112 29.72 lock Amazon
Leaf at same level 4317 40.89 lock
Is Binary Tree Heap 4357 44.84 lock
Check if two Nodes are Cousins 4371 20.87 lock
Count Number of SubTrees having given Sum 4384 57.75 lock Microsoft
Print Nodes having K leaves 4507 21.58 lock Amazon
K-Sum Paths 4552 29.23 lock Amazon
Construct Binary Tree from Parent Array 4639 38.96 lock Amazon | Microsoft | Snapdeal
Make Binary Tree 4724 44.1 lock Amazon
Print Common Nodes in BST 4766 29.27 lock Amazon
Find the Closest Element in BST 4882 34.11 lock MAQ Software
Merge two BST 's 5317 43.36 lock Amazon | Google | Microsoft
Predecessor and Successor 5538 31.36 lock Ola Cabs
Odd even level difference 5642 62.96 lock Amazon
Minimum element in BST 6116 73.61 lock Microsoft
Symmetric Tree 6280 54.93 lock
Sum of Leaf Nodes at Min Level 6297 34.67 lock Microsoft
Tree from Postorder and Inorder 6638 41.08 lock Adobe | Amazon
Binary Tree to BST 6742 40.01 lock Amazon
Add all greater values to every node in a BST 7189 43.67 lock Amazon
Check if Tree is Isomorphic 7314 56.35 lock Amazon | Microsoft
Diagonal Traversal of Binary Tree 7397 46.17 lock Amazon
Maximum path sum 7814 53.61 lock Accolite | Amazon | Directi | Microsoft
Minimum Depth of a Binary Tree 7836 48.2 lock Facebook
Size of Binary Tree 7837 70.18 lock
Serialize and Deserialize a Binary Tree 7929 35.62 lock Accolite | Adobe | Amazon | Flipkart | InMobi | MAQ Software | Microsoft | Paytm | Quikr | Yahoo
Root to Leaf Paths 8693 41.21 lock Amazon
Ancestors in Binary Tree 9139 30.05 lock
Min distance between two given nodes of a Binary Tree 9326 39.02 lock Amazon | Qualcomm
Transform to Sum Tree 9333 50.11 lock Amazon | Microsoft
Right View of Binary Tree 9520 53.92 lock Accolite | Adobe | Amazon | MakeMyTrip | Snapdeal
Two Mirror Trees 9570 47.82 lock Amazon | D-E-Shaw | Hike
Check if subtree 9698 38.45 lock Cavisson System | MakeMyTrip | Microsoft
Preorder Traversal 9824 63.99 lock
Count BST nodes that lie in a given range 10177 50.5 lock D-E-Shaw | Google
Construct Tree from Inorder & Preorder 10435 26.77 lock Microsoft
Largest BST 10588 23.63 lock Amazon | D-E-Shaw
Postorder Traversal 10627 62.96 lock Snapdeal
Kth largest element in BST 10640 39.07 lock Samsung
K distance from root 10954 56.19 lock Amazon | Microsoft | Ola Cabs
Maximum Width of Tree 11074 50 lock Flipkart | Microsoft | VMWare
Print BST elements in given range 11178 49.48 lock Flipkart | Microsoft
Count Leaves in Binary Tree 12408 64.23 lock Ola Cabs
Top View of Binary Tree 13196 31.68 lock Amazon | Paytm | Walmart
Bottom View of Binary Tree 13421 45.32 lock Amazon | CouponDunia | Flipkart | OYO Rooms | Paytm | Walmart
Inorder Traversal 13913 60.29 lock Snapdeal
Reverse Level Order Traversal 14139 47.34 lock Adobe | Amazon | Flipkart | Microsoft
Maximum difference between node and its ancestor 14279 34.85 lock Amazon
Lowest Common Ancestor in a Binary Tree 17184 39.75 lock Accolite | Amazon | American Express | Expedia | Microsoft | PayPal | Payu | Snapdeal | Times Internet | Twitter
Binary Tree to DLL 17269 41.34 lock Amazon | Goldman Sachs | Microsoft | Salesforce
Lowest Common Ancestor in a BST 17321 50.22 lock Accolite | Amazon | Microsoft | Synopsys
Check for Balanced Tree 18035 50.11 lock
Height of Binary Tree 18122 65.76 lock Amazon | Cadence India | CouponDunia | FactSet | FreeCharge | MakeMyTrip | Monotype Solutions | Snapdeal | Synopsys | Teradata | VMWare
Level order traversal in spiral form 18615 43.27 lock Accolite | Adobe | Amazon | Flipkart | Hike | Housing.com | Microsoft | Ola Cabs | Payu | Teradata
Level order traversal Line by Line 19452 39.18 lock Amazon | Hike | Microsoft | Morgan Stanley
Mirror Tree 19540 63.43 lock Adobe | Belzabar | eBay | Microsoft | Myntra | Ola Cabs | Paytm | PropTiger | Snapdeal | VMWare
Determine if Two Trees are Identical 19612 52.24 lock Amazon | Microsoft
Diameter of Binary Tree 19788 50.01 lock Amazon | Cadence India | Directi | MakeMyTrip | Microsoft | Oracle | OYO Rooms | Philips | PropTiger | Salesforce | Snapdeal | VMWare
Connect Nodes at Same Level 20159 45.67 lock Adobe | Amazon | Boomerang Commerce | Flipkart | Google | Microsoft | Ola Cabs | Oracle | OYO Rooms | Xome
Print a Binary Tree in Vertical Order 20996 32.45 lock Amazon | BrowserStack | Dell | Flipkart | Grofers | MakeMyTrip | Netskope
Level order traversal 21520 49.61 lock Amazon | Cisco | D-E-Shaw | Flipkart | Microsoft | Ola Cabs | Payu
Boundary Traversal of binary tree 22922 26.78 lock Amazon | Kritikal Solutions | Microsoft | OYO Rooms | Payu
Sum Tree 28699 33.33 lock Adobe | Amazon | Goldman Sachs
Root to leaf path sum 30852 36.24 lock Accolite | Adobe | Amazon | CouponDunia | Housing.com | Microsoft | Oracle | Samsung
Left View of Binary Tree 33449 37.86 lock Amazon | Flipkart | Knowlarity | MakeMyTrip | Ola Cabs | Open Solutions | Paytm | Qualcomm | Samsung | Snapdeal | Twitter
Print all nodes that don’t have sibling 34328 20.96 lock Amazon | D-E-Shaw
Check for BST 57349 21.58 lock Accolite | Adobe | Amazon | Boomerang Commerce | GreyOrange | MakeMyTrip | Microsoft | OYO Rooms | Qualcomm | Snapdeal | VMWare | Walmart | Wooker
Problem Name Answers  Views  Topic Tags Company Tags
Preorder to postorder conversion BST question 0 376 Binary Search Tree | Tree | Troubleshoot
Binary Tree by level with each node represented by a circle 3 364 Tree
Level order Traversal of a tree 8 572 BFS | Tree
Splay Tree 2 762 Data Structures | Tree
Cut vertices 1 461 BFS | Computer Science | DFS | Tree
Ascending Order 35 2889 Recursion | Tree Amazon | Google | Microsoft | Ola Cabs
Implementation of Set 5 1424 Tree Amazon
Implementation of Map 3 1397 AVL-Tree | Map | Tree Amazon
Comparison of Red Black Tree and AVL Tree 1 1566 Algorithms | Data Structures | Tree Amazon
Difference between BFS abd DFS. 12 1380 Algorithms | BFS | DFS | Graph | Tree Thoughtworks
Construct a tree and find the nearest common parent node 3 730 Tree JUSPAY
Construct a tree and find depth where maximum no. of nodes are present 2 661 Tree JUSPAY
Level order traversal for n-ary tree. 4 696 Tree JUSPAY
Diameter of an n-ary tree 1 671 Tree JUSPAY
How to traverse an n-ary tree? 2 671 Tree JUSPAY
How to find depth of a n-ary tree. 2 656 Tree JUSPAY
What is N-array tree ? 7 775 Tree JUSPAY
Is Binary tree a Binary search tree? 6 1034 Tree
How to form a parse tree of a given mathematical expression? 0 593 python | Tree
What kind of tree structure for a set of strings? 0 387 Data Structures | Tree
Level Order Traversal 22 2937 Traversal | Tree Amazon
Construct Mirror Tree 16 1954 Tree Amazon
Symmetry of Binary Trees 7 1475 Data Structures | programming-language | Tree Amazon
sum equal to any of root to leaf 15 1990 C | Tree Amazon
Find maximum possible sum 5 1417 Tree Directi
Difference between BST and tries. 2 1298 Tree Directi
Give the use cases of binary tree? 2 968 Tree Directi
What is the advantage of an M-ary tree over binary tree? 1 1265 Tree Directi
Maximum path sum between two leaves of a binary tree 3 1358 Tree Directi
Farthest Nodes in Complete Binary tree 3 919 Tree ongc
Binary Tree 8 2776 Data Structures | Tree Directi | Flipkart | Microsoft | Samsung
Which data structure suits best to implement a file system structure? 1 1996 Data Structures | Tree Oracle
Write a list of all data structures and explain each of them along with their applications? 5 2259 Arrays | Data Structures | Graph | Linked List | Tree Oracle
What is segmented tree? 3 2883 Data Structures | Segment-Tree | Tree Amazon | Directi | Expedia
Write an algorithm to check if binary tree is binary search tree? 15 3953 Data Structures | Searching | Tree Amazon
What is Trie? 3 1702 Data Structures | Tree Amazon
What is isomorphic binary search tree? 3 1650 Data Structures | Tree Amazon
Write algorithm to find mirror image of N-ary tree? 2 1363 Data Structures | Tree Amazon
What is Mirror image of binary tree? 5 1409 Data Structures | Tree Amazon
How to clone Binary tree with random pointer? 3 1455 Data Structures | Tree Amazon
How to find level with the maximum sum in a binary tree? 3 1459 Data Structures | Tree Amazon
Tree creation 2 890 Tree
Fenwick Tree 1 1230 Tree Flipkart
Problem Name Answers  Views  Topic Tags Company Tags
Full Problems Function Problems Subjective Problems