Arrays are an integral part of coding interviews for placements. We have created a guide featuring top array interview questions to strengthen the foundation of arrays and data structures to bring you a step closer to your dream job.

Problem Title

Difficulty

Avg Time to solve

Attempted

Max Game

27

Easy

25 mins

636

Distinct Subsets Count

3

Moderate

40 mins

69

Max Product Count

21

Moderate

35 mins

624

Contains Duplicate ll

16

Moderate

35 mins

831

Check Subset

22

Easy

18 mins

498

Valid Pairs

44

Easy

22 mins

1455

Minimum Operations

3

Easy

20 mins

248

Longest Consecutive Sequence

48

Moderate

40 mins

4084

Minimum K product

9

Easy

20 mins

851

Lexicographical order

4

Moderate

35 mins

174

Longest Subarray Zero Sum

5

Moderate

18 mins

1062

Sliding Maximum

13

Moderate

25 mins

1113

First Missing Positive

219

Moderate

18 mins

3486

Pair Sum

1145

Easy

15 mins

19653

Best Time to Buy and Sell

7

Moderate

20 mins

203

Day of the Week

8

Easy

10 mins

134

Maximum Subarray Sum

282

Hard

35 mins

20734

Count Subsequences

19

Moderate

30 mins

524

Trapping Rain Water

23

Moderate

15 mins

1245

Find Number Of Islands

25

Moderate

34 mins

702

Number Of Pairs With Given Sum

10

Moderate

39 mins

656

Longest Increasing Subsequence

26

Moderate

30 mins

3469

Search In Rotated Sorted Array

111

Moderate

30 mins

6737

Alien dictionary

120

Hard

46 mins

1668

Count Inversions

89

Moderate

40 mins

45639

Max Game

Easy

27 upvotes

Distinct Subsets Count

Moderate

3 upvotes

Max Product Count

Moderate

21 upvotes

Contains Duplicate ll

Moderate

16 upvotes

Check Subset

Easy

22 upvotes

Valid Pairs

Easy

44 upvotes

Minimum Operations

Easy

3 upvotes

Longest Consecutive Sequence

Moderate

48 upvotes

Minimum K product

Easy

9 upvotes

Lexicographical order

Moderate

4 upvotes

Longest Subarray Zero Sum

Moderate

5 upvotes

Sliding Maximum

Moderate

13 upvotes

First Missing Positive

Moderate

219 upvotes

Pair Sum

Easy

1145 upvotes

Best Time to Buy and Sell

Moderate

7 upvotes

Day of the Week

Easy

8 upvotes

Maximum Subarray Sum

Hard

282 upvotes

Count Subsequences

Moderate

19 upvotes

Trapping Rain Water

Moderate

23 upvotes

Find Number Of Islands

Moderate

25 upvotes

Number Of Pairs With Given Sum

Moderate

10 upvotes

Longest Increasing Subsequence

Moderate

26 upvotes

Search In Rotated Sorted Array

Moderate

111 upvotes

Alien dictionary

Hard

120 upvotes

Count Inversions

Moderate

89 upvotes

Page of 4