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

Intersection Of Two Arrays

7

Easy

10 mins

245

Accounts Merge

1

Hard

15 mins

13

Pair Difference K

2

Moderate

15 mins

73

Check Difference

1

Easy

15 mins

44

Equal Pairs

1

Easy

10 mins

12

Maximum Depth Of A Binary Tree

4

Easy

15 mins

120

Count And Say

0

Easy

15 mins

39

Least Common Ancestor

2

Moderate

25 mins

95

Buy and Sell Stock - III

2

Easy

10 mins

37

Reverse a Sublist of Linked List

1

Easy

10 mins

32

Walls And Gates

2

Easy

15 mins

22

Rearrange Array

1

Easy

15 mins

39

Convert Number To Words

1

Easy

15 mins

12

Largest Distance Between Two Nodes In A Tree

2

Moderate

15 mins

60

Rotated Array

1

Moderate

10 mins

89

Maximum Number

4

Easy

15 mins

71

String Breaker

3

Easy

15 mins

19

Word Break

4

Moderate

15 mins

112

All Unique Permutations

4

Easy

15 mins

76

Periodic String

4

Easy

15 mins

25

Russian Doll Envelopes

3

Hard

50 mins

105

Possible Words From A Phone Number

3

Hard

55 mins

18

K Closest Points To Origin

2

Moderate

25 mins

135

Regular Expression Match

2

Easy

10 mins

35

Modify Linked list

6

Easy

10 mins

106

Intersection Of Two Arrays

Easy

7 upvotes

Accounts Merge

Hard

1 upvote

Pair Difference K

Moderate

2 upvotes

Check Difference

Easy

1 upvote

Equal Pairs

Easy

1 upvote

Maximum Depth Of A Binary Tree

Easy

4 upvotes

Count And Say

Easy

0 upvotes

Least Common Ancestor

Moderate

2 upvotes

Buy and Sell Stock - III

Easy

2 upvotes

Reverse a Sublist of Linked List

Easy

1 upvote

Walls And Gates

Easy

2 upvotes

Rearrange Array

Easy

1 upvote

Convert Number To Words

Easy

1 upvote

Largest Distance Between Two Nodes In A Tree

Moderate

2 upvotes

Rotated Array

Moderate

1 upvote

Maximum Number

Easy

4 upvotes

String Breaker

Easy

3 upvotes

Word Break

Moderate

4 upvotes

All Unique Permutations

Easy

4 upvotes

Periodic String

Easy

4 upvotes

Russian Doll Envelopes

Hard

3 upvotes

Possible Words From A Phone Number

Hard

3 upvotes

K Closest Points To Origin

Moderate

2 upvotes

Regular Expression Match

Easy

2 upvotes

Modify Linked list

Easy

6 upvotes

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