Filters

---

Topics

  Advanced Algorithms

  Depth-first Search

  Recursion

  Breadth-first Search

  Data Structures

  Trees

  Binary Search Trees

  Binary Trees

+ 26 more

---

Company

Paytm

Uber

eBay

Snapdeal

OYO

Amazon

MAQ Software

Samsung

Adobe

Facebook

+ 28 more

---

Difficulty

Moderate

Easy

Hard

Problem Title

Difficulty

Avg Time to solve

Attempted

Unival Trees

17

Moderate

30 mins

273

Binary Tree Pruning

12

Moderate

20 mins

193

Tree Symmetricity

3

Easy

20 mins

247

Delete Leaf Nodes With Value X

9

Moderate

27 mins

151

Minimum Depth Of Binary Tree

4

Moderate

20 mins

125

Maximum Width In Binary Tree

5

Moderate

38 mins

211

Reverse Level Order Traversal

13

Moderate

30 mins

238

Right View

2

Moderate

35 mins

184

Boundary Traversal

27

Hard

20 mins

334

Level Order Traversal

9

Easy

15 mins

254

Identical Trees

2

Moderate

20 mins

205

Validate BST

4

Moderate

25 mins

513

Convert Bst To The Greater Sum Tree

4

Moderate

30 mins

226

Distance between two nodes of a Tree

7

Moderate

25 mins

151

Print Nodes at Distance K From a Given Node

3

Hard

20 mins

85

Convert binary tree to mirror tree

6

Easy

15 mins

165

Maximum Level Sum

1

Easy

15 mins

90

Cousins of Given Node in Binary Tree

3

Moderate

10 mins

61

Subtree of Another Tree

6

Easy

10 mins

224

Largest BST subtree

7

Easy

10 mins

174

Preorder traversal of a BST

2

Moderate

15 mins

67

Serialize/Deserialize The Binary Tree

6

Hard

15 mins

90

Delete Node In BST

2

Moderate

10 mins

63

Kth smallest node in BST

3

Moderate

15 mins

109

Closest element in BST

2

Easy

15 mins

69

Unival Trees NEW

Moderate

17 upvotes

Binary Tree Pruning NEW

Moderate

12 upvotes

Tree Symmetricity NEW

Easy

3 upvotes

Delete Leaf Nodes With Value X NEW

Moderate

9 upvotes

Minimum Depth Of Binary Tree NEW

Moderate

4 upvotes

Maximum Width In Binary Tree NEW

Moderate

5 upvotes

Reverse Level Order Traversal NEW

Moderate

13 upvotes

Right View NEW

Moderate

2 upvotes

Boundary Traversal NEW

Hard

27 upvotes

Level Order Traversal NEW

Easy

9 upvotes

Identical Trees NEW

Moderate

2 upvotes

Validate BST NEW

Moderate

4 upvotes

Convert Bst To The Greater Sum Tree NEW

Moderate

4 upvotes

Distance between two nodes of a Tree NEW

Moderate

7 upvotes

Print Nodes at Distance K From a Given Node NEW

Hard

3 upvotes

Convert binary tree to mirror tree NEW

Easy

6 upvotes

Maximum Level Sum NEW

Easy

1 upvote

Cousins of Given Node in Binary Tree NEW

Moderate

3 upvotes

Subtree of Another Tree NEW

Easy

6 upvotes

Largest BST subtree NEW

Easy

7 upvotes

Preorder traversal of a BST NEW

Moderate

2 upvotes

Serialize/Deserialize The Binary Tree NEW

Hard

6 upvotes

Delete Node In BST NEW

Moderate

2 upvotes

Kth smallest node in BST NEW

Moderate

3 upvotes

Closest element in BST NEW

Easy

2 upvotes

Page of 4

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!