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

57

Moderate

30 mins

2142

Insert Interval

3

Moderate

30 mins

189

Reverse Words In A String

50

Easy

10 mins

480

Minimum Subarray With Required Sum

18

Moderate

18 mins

351

Merge Intervals

20

Moderate

20 mins

353

Product Of Array Except Self

72

Easy

26 mins

429

Alien dictionary

81

Hard

46 mins

294

Search In Rotated Sorted Array

57

Moderate

30 mins

716

Longest Increasing Subsequence

16

Moderate

30 mins

713

Maximum Subarray Sum

98

Hard

35 mins

1973

Sort 0 1 2

90

Easy

22 mins

1608

Simplify the Directory

5

Moderate

22 mins

52

Minimum Depth Of Binary Tree

4

Moderate

20 mins

142

Valid Pairs

29

Easy

22 mins

166

Level Order Traversal

10

Easy

15 mins

369

Validate BST

4

Moderate

25 mins

636

Add two number as linked lists

75

Moderate

10 mins

443

Execution Time

0

Moderate

15 mins

44

Reverse the String

4

Easy

15 mins

259

Nth Element Of Modified Fibonacci Series

1

Easy

15 mins

243

Two Sum

44

Easy

10 mins

491

Inplace rotate matrix 90 degree

12

Easy

12 mins

110

Evaluation of postfix expression

10

Easy

15 mins

79

Find All Triplets With Zero Sum

17

Moderate

30 mins

194

Closest Sum

0

Moderate

30 mins

56

Move Zeroes To End NEW

Moderate

57 upvotes

Insert Interval NEW

Moderate

3 upvotes

Reverse Words In A String NEW

Easy

50 upvotes

Minimum Subarray With Required Sum NEW

Moderate

18 upvotes

Merge Intervals NEW

Moderate

20 upvotes

Product Of Array Except Self NEW

Easy

72 upvotes

Alien dictionary NEW

Hard

81 upvotes

Search In Rotated Sorted Array NEW

Moderate

57 upvotes

Longest Increasing Subsequence NEW

Moderate

16 upvotes

Maximum Subarray Sum NEW

Hard

98 upvotes

Sort 0 1 2 NEW

Easy

90 upvotes

Simplify the Directory NEW

Moderate

5 upvotes

Minimum Depth Of Binary Tree NEW

Moderate

4 upvotes

Valid Pairs NEW

Easy

29 upvotes

Level Order Traversal NEW

Easy

10 upvotes

Validate BST NEW

Moderate

4 upvotes

Add two number as linked lists NEW

Moderate

75 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

44 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

17 upvotes

Closest Sum NEW

Moderate

0 upvotes

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