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

18

Moderate

30 mins

2046

Insert Interval

3

Moderate

30 mins

188

Reverse Words In A String

21

Easy

10 mins

358

Minimum Subarray With Required Sum

17

Moderate

18 mins

321

Merge Intervals

15

Moderate

20 mins

293

Product Of Array Except Self

61

Easy

26 mins

273

Alien dictionary

65

Hard

46 mins

251

Search In Rotated Sorted Array

49

Moderate

30 mins

632

Longest Increasing Subsequence

16

Moderate

30 mins

642

Maximum Subarray Sum

80

Hard

35 mins

1689

Sort 0 1 2

67

Easy

22 mins

1050

Simplify the Directory

5

Moderate

22 mins

48

Minimum Depth Of Binary Tree

4

Moderate

20 mins

135

Valid Pairs

27

Easy

22 mins

159

Level Order Traversal

9

Easy

15 mins

308

Validate BST

4

Moderate

25 mins

570

Add two number as linked lists

61

Moderate

10 mins

382

Execution Time

0

Moderate

15 mins

40

Reverse the String

4

Easy

15 mins

227

Nth Element Of Modified Fibonacci Series

1

Easy

15 mins

228

Two Sum

34

Easy

10 mins

425

Inplace rotate matrix 90 degree

12

Easy

12 mins

101

Evaluation of postfix expression

10

Easy

15 mins

77

Find All Triplets With Zero Sum

14

Moderate

30 mins

178

Closest Sum

0

Moderate

30 mins

49

Move Zeroes To End NEW

Moderate

18 upvotes

Insert Interval NEW

Moderate

3 upvotes

Reverse Words In A String NEW

Easy

21 upvotes

Minimum Subarray With Required Sum NEW

Moderate

17 upvotes

Merge Intervals NEW

Moderate

15 upvotes

Product Of Array Except Self NEW

Easy

61 upvotes

Alien dictionary NEW

Hard

65 upvotes

Search In Rotated Sorted Array NEW

Moderate

49 upvotes

Longest Increasing Subsequence NEW

Moderate

16 upvotes

Maximum Subarray Sum NEW

Hard

80 upvotes

Sort 0 1 2 NEW

Easy

67 upvotes

Simplify the Directory NEW

Moderate

5 upvotes

Minimum Depth Of Binary Tree NEW

Moderate

4 upvotes

Valid Pairs NEW

Easy

27 upvotes

Level Order Traversal NEW

Easy

9 upvotes

Validate BST NEW

Moderate

4 upvotes

Add two number as linked lists NEW

Moderate

61 upvotes

Execution Time NEW

Moderate

0 upvotes

Reverse the String NEW

Easy

4 upvotes

Nth Element Of Modified Fibonacci Series NEW

Easy

1 upvote

Two Sum NEW

Easy

34 upvotes

Inplace rotate matrix 90 degree NEW

Easy

12 upvotes

Evaluation of postfix expression NEW

Easy

10 upvotes

Find All Triplets With Zero Sum NEW

Moderate

14 upvotes

Closest Sum NEW

Moderate

0 upvotes

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