Top Array Coding Interview Questions
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One of the essential topics for programming interviews is Array. As you learn to code, you'll discover that arrays are used in multiple problems. We have a collection of array coding questions divided into three sections: easy, medium, and hard. Build a strong foundation by dealing with the array questions. Solve all these array interview questions and start your journey.
Problem Title
EXP
Difficulty
Avg Time to solve
Attempted
K Largest Element
228
80
Moderate
10 mins
5.2k
Cube Sum Pairs
86
40
Easy
15 mins
2.1k
Copy And Reverse The Array
48
40
Easy
10 mins
2.6k
Left Rotations of An Array
13
80
Moderate
10 mins
0.4k
Binary Array Sorting
21
40
Easy
20 mins
2.9k
Hotel Floors
15
40
Easy
10 mins
1.1k
Product Array Puzzle
25
40
Easy
15 mins
0.8k
Maximum of minimum for every window size
103
120
Hard
45 mins
5.3k
Relative Sorting
27
80
Moderate
25 mins
2.8k
Linear Probing
22
40
Easy
15 mins
0.3k
Positive Negative Pair
8
40
Easy
10 mins
0.4k
Chess Tournament
101
40
Easy
20 mins
6.4k
Ninja Fight
17
40
Easy
10 mins
0.3k
Generate Binary Numbers
29
40
Easy
10 mins
1.1k
Count Distinct Elements In Every Window
5
80
Moderate
15 mins
0.4k
Missing number in Arithmetic progression
29
40
Easy
15 mins
1.7k
Replace Each Element Of Array With Its Corresponding Rank
7
40
Easy
10 mins
0.2k
Minimum and Maximum Cost to buy N Candies
11
120
Hard
10 mins
2.1k
Sort an array in wave form
26
40
Easy
10 mins
2.6k
Count all sub-arrays having sum divisible by k
117
80
Moderate
15 mins
6.9k
Search For Integers With Given Difference And At Given Distance
28
80
Moderate
20 mins
0.8k
Count Distinct Element in Every K Size Window
35
40
Easy
15 mins
2.3k
Longest Subarray Zero Sum
68
40
Easy
15 mins
9.6k
Best Time to Buy and Sell Stock
183
80
Moderate
20 mins
28.4k
Duplicate In Array
398
40
Easy
15 mins
48.3k
K Largest Element
Moderate
80
228 upvotes
Cube Sum Pairs
Easy
40
86 upvotes
Copy And Reverse The Array
Easy
40
48 upvotes
Left Rotations of An Array
Moderate
80
13 upvotes
Binary Array Sorting
Easy
40
21 upvotes
Hotel Floors
Easy
40
15 upvotes
Product Array Puzzle
Easy
40
25 upvotes
Maximum of minimum for every window size
Hard
120
103 upvotes
Relative Sorting
Moderate
80
27 upvotes
Linear Probing
Easy
40
22 upvotes
Positive Negative Pair
Easy
40
8 upvotes
Chess Tournament
Easy
40
101 upvotes
Ninja Fight
Easy
40
17 upvotes
Generate Binary Numbers
Easy
40
29 upvotes
Count Distinct Elements In Every Window
Moderate
80
5 upvotes
Missing number in Arithmetic progression
Easy
40
29 upvotes
Replace Each Element Of Array With Its Corresponding Rank
Easy
40
7 upvotes
Minimum and Maximum Cost to buy N Candies
Hard
120
11 upvotes
Sort an array in wave form
Easy
40
26 upvotes
Count all sub-arrays having sum divisible by k
Moderate
80
117 upvotes
Search For Integers With Given Difference And At Given Distance
Moderate
80
28 upvotes
Count Distinct Element in Every K Size Window
Easy
40
35 upvotes
Longest Subarray Zero Sum
Easy
40
68 upvotes
Best Time to Buy and Sell Stock
Moderate
80
183 upvotes
Duplicate In Array
Easy
40
398 upvotes
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