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 NEW
42
Moderate
30 mins
863
Binary Tree Pruning NEW
20
Moderate
20 mins
361
Symmetric Tree NEW
14
Easy
20 mins
1342
Delete Leaf Nodes With Value X NEW
11
Moderate
27 mins
335
Minimum Depth Of Binary Tree NEW
5
Moderate
20 mins
331
Maximum Width In Binary Tree NEW
7
Moderate
38 mins
730
Reverse Level Order Traversal NEW
21
Moderate
30 mins
1420
Right View NEW
8
Moderate
35 mins
932
Boundary Traversal of Binary Tree NEW
64
Hard
20 mins
2748
Level Order Traversal NEW
18
Easy
15 mins
1256
Check Identical Trees NEW
7
Moderate
20 mins
712
Partial BST NEW
16
Moderate
25 mins
2195
Convert Bst To The Greater Sum Tree NEW
6
Moderate
30 mins
584
Distance between two nodes of a Tree NEW
11
Moderate
25 mins
640
Print Nodes at Distance K From a Given Node NEW
5
Hard
20 mins
352
Convert binary tree to mirror tree NEW
15
Easy
15 mins
642
Maximum Level Sum NEW
1
Easy
15 mins
248
Cousins of Given Node in Binary Tree NEW
4
Moderate
10 mins
93
Subtree of Another Tree NEW
8
Easy
10 mins
988
Size of Largest BST in Binary Tree NEW
18
Easy
10 mins
978
Preorder traversal of a BST NEW
8
Moderate
15 mins
751
Serialize and Deserialize Binary Tree NEW
13
Hard
15 mins
243
Delete Node In BST NEW
3
Moderate
10 mins
214
Kth smallest node in BST NEW
6
Moderate
15 mins
587
Closest element in BST NEW
6
Easy
15 mins
333
Count Univalue Subtrees NEW
Moderate
42 upvotes
Binary Tree Pruning NEW
Moderate
20 upvotes
Symmetric Tree NEW
Easy
14 upvotes
Delete Leaf Nodes With Value X NEW
Moderate
11 upvotes
Minimum Depth Of Binary Tree NEW
Moderate
5 upvotes
Maximum Width In Binary Tree NEW
Moderate
7 upvotes
Reverse Level Order Traversal NEW
Moderate
21 upvotes
Right View NEW
Moderate
8 upvotes
Boundary Traversal of Binary Tree NEW
Hard
64 upvotes
Level Order Traversal NEW
Easy
18 upvotes
Check Identical Trees NEW
Moderate
7 upvotes
Partial BST NEW
Moderate
16 upvotes
Convert Bst To The Greater Sum Tree NEW
Moderate
6 upvotes
Distance between two nodes of a Tree NEW
Moderate
11 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
1 upvote
Cousins of Given Node in Binary Tree NEW
Moderate
4 upvotes
Subtree of Another Tree NEW
Easy
8 upvotes
Size of Largest BST in Binary Tree NEW
Easy
18 upvotes
Preorder traversal of a BST NEW
Moderate
8 upvotes
Serialize and Deserialize Binary Tree NEW
Hard
13 upvotes
Delete Node In BST NEW
Moderate
3 upvotes
Kth smallest node in BST NEW
Moderate
6 upvotes
Closest element in BST NEW
Easy
6 upvotes
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