Top Trees Interview Questions
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Check out the top trees and graphs data structure interview questions asked in interviews of top tech companies like Amazon, only on CodeStudio. Start Practicing now!
Problem Title
Difficulty
Avg Time to solve
Attempted
Count Univalue Subtrees
46
Moderate
30 mins
1037
Binary Tree Pruning
20
Moderate
20 mins
426
Symmetric Tree
19
Easy
20 mins
2132
Delete Leaf Nodes With Value X
12
Moderate
27 mins
396
Minimum Depth Of Binary Tree
8
Moderate
20 mins
405
Maximum Width In Binary Tree
11
Moderate
38 mins
1284
Reverse Level Order Traversal
27
Moderate
30 mins
1723
Right View
12
Moderate
35 mins
1227
Boundary Traversal of Binary Tree
83
Hard
20 mins
4276
Level Order Traversal
30
Easy
15 mins
2076
Check Identical Trees
13
Moderate
20 mins
1292
Partial BST
20
Moderate
25 mins
3216
Convert Bst To The Greater Sum Tree
6
Moderate
30 mins
669
Distance between two nodes of a Tree
12
Moderate
25 mins
795
Print Nodes at Distance K From a Given Node
5
Hard
20 mins
480
Convert binary tree to mirror tree
15
Easy
15 mins
855
Maximum Level Sum
2
Easy
15 mins
275
Cousins of Given Node in Binary Tree
4
Moderate
10 mins
118
Subtree of Another Tree
9
Easy
10 mins
1067
Size of Largest BST in Binary Tree
29
Easy
10 mins
1652
Preorder traversal of a BST
9
Moderate
15 mins
1280
Serialize and Deserialize Binary Tree
15
Hard
15 mins
468
Delete Node In BST
7
Moderate
10 mins
361
Kth smallest node in BST
9
Moderate
15 mins
993
Closest Binary Search Tree Value
8
Easy
15 mins
399
Count Univalue Subtrees NEW
Moderate
46 upvotes
Binary Tree Pruning NEW
Moderate
20 upvotes
Symmetric Tree NEW
Easy
19 upvotes
Delete Leaf Nodes With Value X NEW
Moderate
12 upvotes
Minimum Depth Of Binary Tree NEW
Moderate
8 upvotes
Maximum Width In Binary Tree NEW
Moderate
11 upvotes
Reverse Level Order Traversal NEW
Moderate
27 upvotes
Right View NEW
Moderate
12 upvotes
Boundary Traversal of Binary Tree NEW
Hard
83 upvotes
Level Order Traversal NEW
Easy
30 upvotes
Check Identical Trees NEW
Moderate
13 upvotes
Partial BST NEW
Moderate
20 upvotes
Convert Bst To The Greater Sum Tree NEW
Moderate
6 upvotes
Distance between two nodes of a Tree NEW
Moderate
12 upvotes
Print Nodes at Distance K From a Given Node NEW
Hard
5 upvotes
Convert binary tree to mirror tree NEW
Easy
15 upvotes
Maximum Level Sum NEW
Easy
2 upvotes
Cousins of Given Node in Binary Tree NEW
Moderate
4 upvotes
Subtree of Another Tree NEW
Easy
9 upvotes
Size of Largest BST in Binary Tree NEW
Easy
29 upvotes
Preorder traversal of a BST NEW
Moderate
9 upvotes
Serialize and Deserialize Binary Tree NEW
Hard
15 upvotes
Delete Node In BST NEW
Moderate
7 upvotes
Kth smallest node in BST NEW
Moderate
9 upvotes
Closest Binary Search Tree Value NEW
Easy
8 upvotes
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