Ace the Facebook Interview Questions on CodeStudio by Coding Ninjas that offers basic interview questions and coding programs for placements in order to secure a job at this product-based company.

Problem Title

Difficulty

Avg Time to solve

Attempted

Move Zeroes To End

76

Moderate

30 mins

3028

Insert Interval

3

Moderate

30 mins

195

Reverse Words In A String

77

Easy

10 mins

3149

Minimum Subarray With Required Sum

24

Moderate

18 mins

540

Merge Intervals

69

Moderate

20 mins

3789

Product Of Array Except Self

117

Easy

26 mins

6309

Alien dictionary

130

Hard

46 mins

1818

Search In Rotated Sorted Array

127

Moderate

30 mins

8408

Longest Increasing Subsequence

34

Moderate

30 mins

6582

Maximum Subarray Sum

382

Hard

35 mins

28985

Sort 0 1 2

424

Easy

22 mins

24306

Simplify the Directory

7

Moderate

22 mins

353

Minimum Depth Of Binary Tree

7

Moderate

20 mins

396

Valid Pairs

48

Easy

22 mins

1669

Level Order Traversal

28

Easy

15 mins

1927

Partial BST

18

Moderate

25 mins

3030

Add Two Numbers As Linked Lists ll

157

Moderate

10 mins

1669

Execution Time

3

Moderate

15 mins

169

Reverse the String

26

Easy

15 mins

5135

Nth Element Of Modified Fibonacci Series

1

Easy

15 mins

295

Two Sum

478

Easy

10 mins

4980

Inplace rotate matrix 90 degree

17

Easy

12 mins

902

Evaluation of postfix expression

10

Easy

15 mins

647

Find All Triplets With Zero Sum

29

Moderate

30 mins

2212

Closest Sum

0

Moderate

30 mins

134

Move Zeroes To End NEW

Moderate

76 upvotes

Insert Interval NEW

Moderate

3 upvotes

Reverse Words In A String NEW

Easy

77 upvotes

Minimum Subarray With Required Sum NEW

Moderate

24 upvotes

Merge Intervals NEW

Moderate

69 upvotes

Product Of Array Except Self NEW

Easy

117 upvotes

Alien dictionary NEW

Hard

130 upvotes

Search In Rotated Sorted Array NEW

Moderate

127 upvotes

Longest Increasing Subsequence NEW

Moderate

34 upvotes

Maximum Subarray Sum NEW

Hard

382 upvotes

Sort 0 1 2 NEW

Easy

424 upvotes

Simplify the Directory NEW

Moderate

7 upvotes

Minimum Depth Of Binary Tree NEW

Moderate

7 upvotes

Valid Pairs NEW

Easy

48 upvotes

Level Order Traversal NEW

Easy

28 upvotes

Partial BST NEW

Moderate

18 upvotes

Add Two Numbers As Linked Lists ll NEW

Moderate

157 upvotes

Execution Time NEW

Moderate

3 upvotes

Reverse the String NEW

Easy

26 upvotes

Nth Element Of Modified Fibonacci Series NEW

Easy

1 upvote

Two Sum NEW

Easy

478 upvotes

Inplace rotate matrix 90 degree NEW

Easy

17 upvotes

Evaluation of postfix expression NEW

Easy

10 upvotes

Find All Triplets With Zero Sum NEW

Moderate

29 upvotes

Closest Sum NEW

Moderate

0 upvotes

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