Top Array Coding Interview Questions
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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
141
Moderate
10 mins
2035
Cube Sum Pairs NEW
52
Easy
15 mins
1076
Copy And Reverse The Array NEW
19
Easy
10 mins
668
Left Rotations of An Array NEW
6
Moderate
10 mins
155
Binary Array Sorting NEW
13
Easy
20 mins
985
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
942
Relative Sorting NEW
17
Moderate
25 mins
1053
Linear Probing NEW
9
Easy
15 mins
65
Positive Negative Pair NEW
6
Easy
10 mins
173
Chess Tournament NEW
36
Easy
20 mins
1133
Ninja Fight NEW
8
Easy
10 mins
123
Generate Binary Numbers NEW
8
Easy
10 mins
317
Count Distinct Elements In Every Window NEW
2
Moderate
15 mins
127
Missing number in Arithmetic progression NEW
14
Easy
15 mins
616
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
722
Sort an array in wave form NEW
14
Easy
10 mins
796
Count all sub-arrays having sum divisible by k NEW
84
Moderate
15 mins
4695
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
835
Longest Subarray Zero Sum NEW
27
Easy
15 mins
1830
Best Time to Buy and Sell Stock NEW
47
Moderate
20 mins
8872
Duplicate In Array NEW
141
Easy
15 mins
14285
K Largest Element NEW
Moderate
141 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
36 upvotes
Ninja Fight NEW
Easy
8 upvotes
Generate Binary Numbers NEW
Easy
8 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
84 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
141 upvotes
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