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All Problems of Tree
Problem Name Submissions  Accuracy  Topic Tags lock Company Tags
Largest Sum Contiguous Subarray in Range 21 57.14 lock
Vertical Width of a Binary Tree 93 44.09 lock
Range LCM Queries 143 40.56 lock
Construct a Full Binary Tree 151 53.64 lock
Duplicate Subtrees 179 25.7 lock
XOR of a given range 280 55 lock
Right Sibling in Binary Tree 286 25.87 lock
Tilt of Binary Tree 301 50.83 lock
Deletion in a Binary Tree 343 10.5 lock
Sum of the Longest Bloodline of a Tree 358 34.08 lock
Number of Turns in Binary Tree 359 20.61 lock
Largest Independent Set Problem 362 48.07 lock
Exchange the Leaf Nodes 394 24.37 lock
Maximum path sum from any node 396 40.91 lock
Convert Level Order Traversal to BST 403 56.33 lock
pth common ancestor in BST 414 27.78 lock
Leaf under budget 419 30.07 lock Oracle
Perfect Binary Tree 443 51.92 lock
Pairs violating BST property 474 42.41 lock BankBazaar
Depth of node 483 43.06 lock
Remove Half Nodes 493 47.46 lock
Mirror of a given node 504 41.07 lock
Maximum Node Level 564 56.03 lock
Next Right Node 583 29.67 lock
Kth Ancestor in a Tree 619 19.87 lock
Range Minimum Query 658 44.22 lock
Count Non-Leaf Nodes in Tree 673 53.79 lock
Full binary tree 686 73.76 lock
ZigZag Tree Traversal 698 29.8 lock
Closest Neighbor in BST 721 13.59 lock
Construct Tree from Preorder Traversal 745 47.92 lock Amazon
Count Number of SubTrees having given Sum 758 52.24 lock Microsoft
Diagonal Sum In Binary Tree 768 54.3 lock Accolite
Construct expression tree 807 19.83 lock
Sum of Right Leaf Nodes 851 54.76 lock
Convert Ternary Expression to Binary Tree 887 49.49 lock Facebook
Children Sum Parent 892 56.17 lock Accolite
Check if two Nodes are Cousins 918 15.9 lock
Number of root to leaf paths 930 39.57 lock
Construct tree from Inorder and LevelOrder 971 29.35 lock
Nodes at Odd Levels 971 17.61 lock
AVL Tree Deletion 1033 27.11 lock Amazon | MakeMyTrip | Oracle | Oxigen Wallet | Snapdeal
Sum of Binary Tree 1041 63.88 lock
Sum of Leaf Nodes at Min Level 1079 36.7 lock Microsoft
Sum of given range 1152 67.19 lock
Binary Tree to CDLL 1190 44.87 lock
Height of Spiral Tree 1241 31.43 lock Amazon
Check whether BST contains Dead End 1280 27.34 lock
Sum of Leaf Nodes 1341 60.1 lock
Duplicate subtree in Binary Tree 1346 24.74 lock Google
Foldable Binary Tree 1536 57.29 lock Expedia
Postorder traversal from given Inorder and Preorder traversals 1637 39.89 lock Payu
Sum of Left Leaf Nodes 1667 38.75 lock
Delete nodes greater than k 1704 42.78 lock Microsoft
Reverse alternate levels of a perfect binary tree 1769 36.29 lock Hike
Populate Inorder Successor for all nodes 1812 20.75 lock
Leaves to DLL 1829 49.04 lock Amazon
Node at distance 1929 24.83 lock Microsoft
Max and min element in Binary Tree 2003 47.23 lock
Complete Binary Tree 2065 41.55 lock
Clone a Binary Tree 2145 47.27 lock Amazon
Nodes at given distance in binary tree 2256 31.07 lock Hike | Ola Cabs
Level of a Node in Binary Tree 2308 56.8 lock
Leftmost and rightmost nodes of binary tree 2407 36.68 lock Amazon
Extreme nodes in alternate order 2430 40.49 lock Amazon
Max Level Sum in Binary Tree 2438 50.86 lock Amazon
AVL Tree Insertion 2496 28.97 lock Amazon | Citicorp | Informatica | MakeMyTrip | Oracle | Oxigen Wallet | Snapdeal
Vertical sum 2507 50.5 lock Amazon
Longest consecutive sequence in Binary tree 2538 28.76 lock Amazon
Symmetric Tree 2554 49.26 lock
Expression Tree 2564 44.34 lock Amazon | Flipkart | Snapdeal | Synopsys
Root to leaf paths sum 2735 43.4 lock Google
Minimum element in BST 2735 72.72 lock Microsoft
Find the Closest Element in BST 2811 31.55 lock MAQ Software
Predecessor and Successor 2852 30.93 lock Ola Cabs
K-Sum Paths 2857 24.47 lock Amazon
Is Binary Tree Heap 2983 40.53 lock
Leaf at same level 3060 37.94 lock
Merge two BST 's 3099 40.21 lock Amazon | Google | Microsoft
Print Nodes having K leaves 3285 17.69 lock Amazon
Make Binary Tree 3508 39.62 lock Amazon
Maximum path sum 3533 50.61 lock Accolite | Amazon | Directi | Microsoft
Print Common Nodes in BST 3555 23.85 lock Amazon
Construct Binary Tree from Parent Array 3676 32.81 lock Amazon | Microsoft | Snapdeal
Odd even level difference 3887 56.34 lock Amazon
Check if Tree is Isomorphic 3932 52.87 lock Amazon | Microsoft
Binary Tree to BST 4506 35.82 lock Amazon
Diagonal Traversal of Binary Tree 4520 44.34 lock Amazon
Tree from Postorder and Inorder 5013 36.39 lock Adobe | Amazon
Serialize and Deserialize a Binary Tree 5249 26.42 lock Accolite | Adobe | Amazon | Flipkart | Inmobi | MAQ Software | Microsoft | Paytm | Quikr | Yahoo
Root to Leaf Paths 5270 36.17 lock Amazon
Ancestors in Binary Tree 5344 22.75 lock
Add all greater values to every node in a BST 5385 39.93 lock Amazon
Size of Binary Tree 5509 69.01 lock
Min distance between two given nodes of a Binary Tree 5873 30.56 lock Amazon | Qualcomm
Maximum difference between node and its ancestor 6043 25.63 lock Amazon
Check if subtree 6183 32.78 lock Cavisson System | MakeMyTrip | Microsoft
Preorder Traversal 6235 65.13 lock
Minimum Depth of a Binary Tree 6271 40.18 lock Facebook
Kth largest element in BST 6339 28.9 lock Samsung
Count BST nodes that lie in a given range 6515 49.49 lock D-E-Shaw | Google
Postorder Traversal 6522 66.02 lock Snapdeal
Transform to Sum Tree 6554 43.65 lock Amazon | Microsoft
Largest BST 6804 19.19 lock Amazon | D-E-Shaw
Right View of Binary Tree 6843 48.88 lock Accolite | Adobe | Amazon | MakeMyTrip | Snapdeal
Two Mirror Trees 7149 45.87 lock Amazon | D-E-Shaw | Hike
Count Leaves in Binary Tree 7346 65.07 lock Ola Cabs
Construct Tree from Inorder & Preorder 7364 17.88 lock Microsoft
K distance from root 7558 58.65 lock Amazon | Microsoft | Ola Cabs
Top View of Binary Tree 7666 21.81 lock Amazon | Paytm | Walmart Labs
Bottom View of Binary Tree 7766 41.05 lock Amazon | CouponDunia | Flipkart | Paytm | Walmart
Print BST elements in given range 7775 45.98 lock Flipkart | Microsoft
Maximum Width of Tree 7984 43.94 lock Flipkart | microsoft | VMWare
Reverse Level Order Traversal 9068 45.49 lock Adobe | Amazon | Flipkart | Microsoft
Inorder Traversal 9871 56.61 lock Snapdeal
Level order traversal in spiral form 10708 43.03 lock Accolite | Adobe | Amazon | Flipkart | Hike | Housing.com | Microsoft | Ola Cabs | Payu | Teradata
Lowest Common Ancestor in a BST 11021 49.26 lock Accolite | Amazon | Microsoft | Synopsys
Check for Balanced Tree 11040 50.06 lock Amazon | Belzabar | Goldman Sachs | InMobi | Intel | Microsoft | Paytm | Synopsys | Walmart | Zillious
Binary Tree to DLL 11257 37.83 lock Amazon | Goldman Sachs | Microsoft
Determine if Two Trees are Identical 11833 51.22 lock Amazon | Microsoft
Lowest Common Ancestor in a Binary Tree 12085 36.49 lock Accolite | Amazon | American Express | Expedia | Microsoft | Payu | Snapdeal | Times Internet | Twitter
Height of Binary Tree 12174 66.24 lock Amazon | Cadence India | CouponDunia | FactSet | FreeCharge | MakeMyTrip | Monotype Solutions | Snapdeal | Synopsys | Teradata | VMWare
Mirror Tree 12595 62.56 lock Adobe | Belzabar | eBay | Microsoft | Myntra | Ola Cabs | Paytm | PropTiger | Snapdeal | VMWare
Diameter of Binary Tree 13064 49.98 lock Amazon | Cadence India | Directi | MakeMyTrip | Microsoft | Oracle | OYO Rooms | Philips | PropTiger | Salesforce | Snapdeal | VMWare
Print a Binary Tree in Vertical Order 13251 28.87 lock Amazon | BrowserStack | Dell | Flipkart | Grofers | MakeMyTrip | Netskope
Connect Nodes at Same Level 13370 39.99 lock Adobe | Amazon | Boomerang Commerce | Flipkart | Google | Microsoft | Ola Cabs | Oracle | OYO Rooms | Xome
Level order traversal 14292 45.56 lock Amazon | Cisco | D-E-Shaw | Flipkart | Microsoft | Ola Cabs | Payu
Level order traversal Line by Line 14514 32.98 lock Amazon | Hike | Microsoft | Morgan Stanley
Boundary Traversal of binary tree 15187 22.53 lock Amazon | Kritikal Solutions | Microsoft | Payu
Left View of Binary Tree 19501 36.97 lock Amazon | Flipkart | Knowlarity | MakeMyTrip | Ola Cabs | Open Solutions | Paytm | Qualcomm | Samsung | Snapdeal | Twitter
Sum Tree 19664 33.32 lock Adobe | Amazon | Goldman Sachs
Print all nodes that don’t have sibling 21804 20.34 lock Amazon | D-E-Shaw
Root to leaf path sum 23422 36.24 lock Accolite | Adobe | Amazon | CouponDunia | Housing.com | Microsoft | Oracle | Samsung
Check for BST 37849 21.58 lock Accolite | Adobe | amazon | Boomerang Commerce | GreyOrange | MakeMyTrip | microsoft | OYO Rooms | Qualcomm | snapdeal | VMWare | Walmart Labs | Wooker
Problem Name Answers  Views  Topic Tags Company Tags
Binary Tree by level with each node represented by a circle 0 16 Tree
Level order Traversal of a tree 3 222 BFS | Tree
Splay Tree 2 365 Data Structures | Tree
Cut vertices 1 200 BFS | Computer Science | DFS | Tree
Ascending Order 14 1196 Recursion | Tree Amazon | Google | Microsoft | Ola Cabs
Implementation of Set 3 560 Tree Amazon
Implementation of Map 2 535 AVL-Tree | Map | Tree Amazon
Comparison of Red Black Tree and AVL Tree 1 763 Algorithms | Data Structures | Tree Amazon
Difference between BFS abd DFS. 5 638 Algorithms | BFS | DFS | Graph | Tree Thoughtworks
Construct a tree and find the nearest common parent node 3 469 Tree JUSPAY
Construct a tree and find depth where maximum no. of nodes are present 2 398 Tree JUSPAY
Level order traversal for n-ary tree. 2 416 Tree JUSPAY
Diameter of an n-ary tree 1 402 Tree JUSPAY
How to traverse an n-ary tree? 2 412 Tree JUSPAY
How to find depth of a n-ary tree. 2 398 Tree JUSPAY
What is N-array tree ? 2 430 Tree JUSPAY
Is Binary tree a Binary search tree? 2 498 Tree
How to form a parse tree of a given mathematical expression? 0 364 python | Tree
What kind of tree structure for a set of strings? 0 189 Data Structures | Tree
Level Order Traversal 21 2186 traversal | Tree Amazon
Construct Mirror Tree 15 1578 Tree Amazon
Symmetry of Binary Trees 6 1150 Data Structures | programming-language | Tree Amazon
sum equal to any of root to leaf 14 1468 C | Tree Amazon
Find maximum possible sum 5 1135 Tree Directi
Difference between BST and tries. 2 996 Tree Directi
Give the use cases of binary tree? 2 736 Tree Directi
What is the advantage of an M-ary tree over binary tree? 1 917 Tree Directi
Maximum path sum between two leaves of a binary tree 3 990 Tree Directi
Farthest Nodes in Complete Binary tree 3 680 Tree ongc
Binary Tree 7 2036 Data Structures | Tree Directi | Flipkart | Microsoft | Samsung
Which data structure suits best to implement a file system structure? 1 1466 Data Structures | Tree Oracle
Write a list of all data structures and explain each of them along with their applications? 3 1710 Arrays | Data Structures | Graph | Linked List | Tree Oracle
What is segmented tree? 3 2249 Data Structures | Segment-Tree | Tree Amazon | Directi | Expedia
Write an algorithm to check if binary tree is binary search tree? 12 3200 Data Structures | Searching | Tree Amazon
What is Trie? 2 1375 Data Structures | Tree Amazon
What is isomorphic binary search tree? 3 1322 Data Structures | Tree Amazon
Write algorithm to find mirror image of N-ary tree? 2 1085 Data Structures | Tree Amazon
What is Mirror image of binary tree? 5 1130 Data Structures | Tree Amazon
How to clone Binary tree with random pointer? 2 1127 Data Structures | Tree Amazon
How to find level with the maximum sum in a binary tree? 2 1120 Data Structures | Tree Amazon
Tree creation 2 734 Tree
Fenwick Tree 1 938 Tree Flipkart
Problem Name Answers  Views  Topic Tags Company Tags
Full Problems Function Problems Subjective Problems