Walmart Labs Array Questions

84 array problems asked at Walmart Labs interviews

Easy (9)Medium (61)Hard (14)

Questions

TitleDifficulty
Number of IslandsMedium
Two SumEasy
Trapping Rain WaterHard
Merge IntervalsMedium
Search in Rotated Sorted ArrayMedium
Divide Intervals Into Minimum Number of GroupsMedium
Maximum Number of Tasks You Can AssignHard
Count Good Triplets in an ArrayHard
Minimum Operations to Make Array Equal IIMedium
Count Elements With Maximum FrequencyEasy
Minimum Number of Operations to Make Arrays SimilarHard
Find the N-th Value After K SecondsMedium
Group AnagramsMedium
Word BreakMedium
Maximum Distance Between Unequal Words in Array IEasy
Best Time to Buy and Sell StockEasy
Coin ChangeMedium
Advantage ShuffleMedium
Sort ColorsMedium
Combination SumMedium
Longest Increasing SubsequenceMedium
Container With Most WaterMedium
Longest Consecutive SequenceMedium
3SumMedium
Spiral MatrixMedium
Median of Two Sorted ArraysHard
Kth Largest Element in an ArrayMedium
Sort the Matrix DiagonallyMedium
Subarray Sum Equals KMedium
Move ZeroesEasy
Valid SudokuMedium
Subsets IIMedium
Design Hit CounterMedium
Trapping Rain Water IIHard
Rotting OrangesMedium
Diagonal TraverseMedium
Longest Common PrefixEasy
Top K Frequent ElementsMedium
Maximum Sum of Distinct Subarrays With Length KMedium
Construct Binary Tree from Inorder and Postorder TraversalMedium
Maximum SubarrayMedium
First Missing PositiveHard
Search a 2D MatrixMedium
Jump GameMedium
Insert IntervalMedium
Find Minimum in Rotated Sorted ArrayMedium
The MazeMedium
Set Matrix ZeroesMedium
Next PermutationMedium
Rotate ArrayMedium
House RobberMedium
Daily TemperaturesMedium
TriangleMedium
Meeting Rooms IIMedium
Largest Rectangle in HistogramHard
Sliding Window MaximumHard
Subarray Product Less Than KMedium
Word SearchMedium
Best Time to Buy and Sell Stock IIMedium
Contiguous ArrayMedium
Find K Pairs with Smallest SumsMedium
Non-decreasing ArrayMedium
Search in Rotated Sorted Array IIMedium
Maximum Product SubarrayMedium
Number of Islands IIHard
Find the Winner of the Circular GameMedium
SubsetsMedium
Find Peak ElementMedium
Relative Sort ArrayEasy
Find All Duplicates in an ArrayMedium
Number of Distinct IslandsMedium
Product of Array Except SelfMedium
Reconstruct ItineraryHard
Meeting Rooms IIIHard
Combination Sum IIMedium
CandyHard
Capacity To Ship Packages Within D DaysMedium
Asteroid CollisionMedium
Nearest Exit from Entrance in MazeMedium
Furthest Building You Can ReachMedium
Remove Duplicates from Sorted ArrayEasy
Bus RoutesHard
Find the Duplicate NumberMedium
Degree of an ArrayEasy

Showing 84 questions