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
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
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