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

K Largest Element NEW

140

Moderate

10 mins

2013

Cube Sum Pairs NEW

52

Easy

15 mins

1073

Copy And Reverse The Array NEW

19

Easy

10 mins

667

Left Rotations of An Array NEW

6

Moderate

10 mins

155

Binary Array Sorting NEW

13

Easy

20 mins

982

Hotel Floors NEW

9

Easy

10 mins

222

Product Array Puzzle NEW

3

Easy

15 mins

205

Maximum of minimum for every window size NEW

26

Hard

45 mins

919

Relative Sorting NEW

17

Moderate

25 mins

1045

Linear Probing NEW

9

Easy

15 mins

65

Positive Negative Pair NEW

6

Easy

10 mins

173

Chess Tournament NEW

35

Easy

20 mins

1095

Ninja Fight NEW

8

Easy

10 mins

123

Generate Binary Numbers NEW

7

Easy

10 mins

315

Count Distinct Elements In Every Window NEW

2

Moderate

15 mins

126

Missing number in Arithmetic progression NEW

14

Easy

15 mins

606

Replace Each Element Of Array With Its Corresponding Rank NEW

1

Easy

10 mins

119

Minimum and Maximum Cost to buy N Candies NEW

5

Hard

10 mins

718

Sort an array in wave form NEW

14

Easy

10 mins

792

Count all sub-arrays having sum divisible by k NEW

83

Moderate

15 mins

4672

Search For Integers With Given Difference And At Given Distance NEW

19

Moderate

20 mins

361

Count Distinct Element in Every K Size Window NEW

16

Easy

15 mins

832

Longest Subarray Zero Sum NEW

27

Easy

15 mins

1787

Best Time to Buy and Sell Stock NEW

47

Moderate

20 mins

8779

Duplicate In Array NEW

140

Easy

15 mins

14147

K Largest Element NEW

Moderate

140 upvotes

Cube Sum Pairs NEW

Easy

52 upvotes

Copy And Reverse The Array NEW

Easy

19 upvotes

Left Rotations of An Array NEW

Moderate

6 upvotes

Binary Array Sorting NEW

Easy

13 upvotes

Hotel Floors NEW

Easy

9 upvotes

Product Array Puzzle NEW

Easy

3 upvotes

Maximum of minimum for every window size NEW

Hard

26 upvotes

Relative Sorting NEW

Moderate

17 upvotes

Linear Probing NEW

Easy

9 upvotes

Positive Negative Pair NEW

Easy

6 upvotes

Chess Tournament NEW

Easy

35 upvotes

Ninja Fight NEW

Easy

8 upvotes

Generate Binary Numbers NEW

Easy

7 upvotes

Count Distinct Elements In Every Window NEW

Moderate

2 upvotes

Missing number in Arithmetic progression NEW

Easy

14 upvotes

Replace Each Element Of Array With Its Corresponding Rank NEW

Easy

1 upvote

Minimum and Maximum Cost to buy N Candies NEW

Hard

5 upvotes

Sort an array in wave form NEW

Easy

14 upvotes

Count all sub-arrays having sum divisible by k NEW

Moderate

83 upvotes

Search For Integers With Given Difference And At Given Distance NEW

Moderate

19 upvotes

Count Distinct Element in Every K Size Window NEW

Easy

16 upvotes

Longest Subarray Zero Sum NEW

Easy

27 upvotes

Best Time to Buy and Sell Stock NEW

Moderate

47 upvotes

Duplicate In Array NEW

Easy

140 upvotes

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