Last Updated: 21 Jun, 2025

Book - Cracking The Coding Interview Questions

Every developer aims to pass the Facebook coding interview. Many Facebook coding questions on Coding Ninjas are specially designed to crack facebook interview questions. Be a ninja coder by acing all the Facebook coding Questions and thus land your dream job.

Problem Title

Exp

Difficulty

Avg. time

Attempted

Upvotes

40

Easy

20 mins

16.5k

216

Search In Rotated Sorted Array

80

Moderate

30 mins

47.2k

379

Intersection of Two Linked Lists

40

Easy

25 mins

51.5k

316

Ways To Make Coin Change

80

Moderate

20 mins

86.6k

201

Find Number Of Islands

80

Moderate

34 mins

11.1k

124

Trapping Rain Water

80

Moderate

15 mins

31k

198

Maximum Subarray Sum

80

Moderate

35 mins

279k

1.4 k

LRU Cache Implementation

80

Moderate

25 mins

11.5k

99

120

Hard

55 mins

19.1k

138

Count Ways To Reach The N-th Stairs

80

Moderate

30 mins

88.1k

569

Palindrome Linked List

40

Easy

20 mins

25k

183

80

Moderate

25 mins

30.7k

79

Add Two Numbers As Linked Lists ll

80

Moderate

10 mins

10.8k

250

80

Moderate

30 mins

3.8k

38

40

Easy

10 mins

49.2k

1.7 k

Search In A Row Wise And Column Wise Sorted Matrix

80

Moderate

15 mins

10.9k

71

Trailing Zeros in Factorial

80

Moderate

15 mins

2.7k

38

Majority element

40

Easy

15 mins

42k

225

Swap Number Without Temporary Variable

40

Easy

15 mins

4.9k

20

Subtree of Another Tree

40

Easy

10 mins

3.3k

41

Compress the String

80

Moderate

25 mins

2.8k

36

Tic-Tac-Toe Winner

40

Easy

20 mins

2.4k

53

Generate all parenthesis

80

Moderate

30 mins

9.1k

78

Predecessor and Successor In BST

80

Moderate

25 mins

3.6k

28

Check If Path Exists

40

Easy

10 mins

1.4k

11