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 NEW

24

Easy

25 mins

226

Distinct Subsets Count NEW

2

Moderate

40 mins

58

Max Product Count NEW

12

Moderate

35 mins

81

Check Duplicate NEW

13

Moderate

35 mins

227

Check Subset NEW

7

Easy

18 mins

99

Valid Pairs NEW

27

Easy

22 mins

159

Minimum Operations NEW

2

Easy

20 mins

214

Longest Consecutive Sequence NEW

22

Moderate

40 mins

603

Minimum K product NEW

6

Easy

20 mins

212

Lexicographical order NEW

2

Moderate

35 mins

142

Longest Subarray Zero Sum NEW

3

Moderate

18 mins

199

Sliding Maximum NEW

10

Moderate

25 mins

230

First Missing Positive NEW

124

Moderate

18 mins

1687

Pair Sum NEW

280

Easy

15 mins

1473

Best Time to Buy and Sell NEW

6

Moderate

20 mins

107

Day of the Week NEW

6

Easy

10 mins

101

Maximum Subarray Sum NEW

80

Hard

35 mins

1689

Count Subsequences NEW

15

Moderate

30 mins

403

Trapping Rain Water NEW

12

Moderate

15 mins

399

Find Number Of Islands NEW

10

Moderate

34 mins

270

Number Of Pairs With Given Sum NEW

6

Moderate

39 mins

427

Longest Increasing Subsequence NEW

16

Moderate

30 mins

642

Search In Rotated Sorted Array NEW

49

Moderate

30 mins

632

Alien dictionary NEW

65

Hard

46 mins

251

Count Inversions NEW

23

Moderate

40 mins

869

Max Game

Easy

24 upvotes

Distinct Subsets Count

Moderate

2 upvotes

Max Product Count

Moderate

12 upvotes

Check Duplicate

Moderate

13 upvotes

Check Subset

Easy

7 upvotes

Valid Pairs

Easy

27 upvotes

Minimum Operations

Easy

2 upvotes

Longest Consecutive Sequence

Moderate

22 upvotes

Minimum K product

Easy

6 upvotes

Lexicographical order

Moderate

2 upvotes

Longest Subarray Zero Sum

Moderate

3 upvotes

Sliding Maximum

Moderate

10 upvotes

First Missing Positive

Moderate

124 upvotes

Pair Sum

Easy

280 upvotes

Best Time to Buy and Sell

Moderate

6 upvotes

Day of the Week

Easy

6 upvotes

Maximum Subarray Sum

Hard

80 upvotes

Count Subsequences

Moderate

15 upvotes

Trapping Rain Water

Moderate

12 upvotes

Find Number Of Islands

Moderate

10 upvotes

Number Of Pairs With Given Sum

Moderate

6 upvotes

Longest Increasing Subsequence

Moderate

16 upvotes

Search In Rotated Sorted Array

Moderate

49 upvotes

Alien dictionary

Hard

65 upvotes

Count Inversions

Moderate

23 upvotes

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