Ace the Apple coding interview by solving the apple interview questions exclusively on CodeStudio with a range of practice problems.

Problem Title

Difficulty

Avg Time to solve

Attempted

Reverse Words In A String NEW

66

Easy

10 mins

1944

Rotting Oranges NEW

14

Moderate

20 mins

1884

Search In Rotated Sorted Array NEW

111

Moderate

30 mins

6737

Intersection of Linked List NEW

59

Easy

25 mins

2435

Excel Column Number NEW

6

Easy

23 mins

133

Find Number Of Islands NEW

25

Moderate

34 mins

702

Implement Trie NEW

45

Hard

41 mins

1699

Word Break-1 NEW

33

Moderate

36 mins

380

Longest Consecutive Sequence NEW

48

Moderate

40 mins

4084

Break Number NEW

1

Moderate

35 mins

112

Right View NEW

8

Moderate

35 mins

950

Palindrome Partitioning NEW

10

Moderate

25 mins

460

Merge Two Sorted Linked Lists NEW

54

Moderate

15 mins

5930

House Robber II NEW

23

Moderate

15 mins

4274

Inplace rotate matrix 90 degree NEW

15

Easy

12 mins

761

Spiral Matrix NEW

15

Easy

15 mins

861

Print Nodes at Distance K From a Given Node NEW

5

Hard

20 mins

357

Morse Code To English NEW

1

Easy

15 mins

41

Minimum Number Of Taps To Water Garden NEW

10

Hard

15 mins

172

Maximum Size Rectangle Sub-matrix With All 1's NEW

9

Hard

10 mins

245

Find the Good Matrix NEW

8

Moderate

30 mins

302

Tic-Tac-Toe Winner NEW

3

Easy

20 mins

35

Serialize and Deserialize Binary Tree NEW

13

Hard

15 mins

251

Vertical Order Traversal NEW

0

Moderate

35 mins

557

Construct Binary Tree From Inorder and Preorder Traversal NEW

16

Easy

10 mins

837

Reverse Words In A String NEW

Easy

66 upvotes

Rotting Oranges NEW

Moderate

14 upvotes

Search In Rotated Sorted Array NEW

Moderate

111 upvotes

Intersection of Linked List NEW

Easy

59 upvotes

Excel Column Number NEW

Easy

6 upvotes

Find Number Of Islands NEW

Moderate

25 upvotes

Implement Trie NEW

Hard

45 upvotes

Word Break-1 NEW

Moderate

33 upvotes

Longest Consecutive Sequence NEW

Moderate

48 upvotes

Break Number NEW

Moderate

1 upvote

Right View NEW

Moderate

8 upvotes

Palindrome Partitioning NEW

Moderate

10 upvotes

Merge Two Sorted Linked Lists NEW

Moderate

54 upvotes

House Robber II NEW

Moderate

23 upvotes

Inplace rotate matrix 90 degree NEW

Easy

15 upvotes

Spiral Matrix NEW

Easy

15 upvotes

Print Nodes at Distance K From a Given Node NEW

Hard

5 upvotes

Morse Code To English NEW

Easy

1 upvote

Minimum Number Of Taps To Water Garden NEW

Hard

10 upvotes

Maximum Size Rectangle Sub-matrix With All 1's NEW

Hard

9 upvotes

Find the Good Matrix NEW

Moderate

8 upvotes

Tic-Tac-Toe Winner NEW

Easy

3 upvotes

Serialize and Deserialize Binary Tree NEW

Hard

13 upvotes

Vertical Order Traversal NEW

Moderate

0 upvotes

Construct Binary Tree From Inorder and Preorder Traversal NEW

Easy

16 upvotes

Page of 4