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Walmart Labs Interview Questions (143)

Coding problems reported from Walmart Labs interviews and online assessments.

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A private sheet of Walmart Labs's most asked problems with a two-week finish date.
Questions143
Easy22
Medium95
Hard26
Asked in 30 days1as of 16 Aug 2026
Asks mostArray 81String 36Hash Table 35Dynamic Programming 21Two Pointers 20Sorting 18Breadth-First Search 16Math 15Stack 14Binary Search 13
Most asked first
TitleSolutionAcceptDifficultyAsked
135. CandyVideo
Solution49.3%Hard
138. Copy List with Random PointerVideo
Solution63.8%Medium
152. Maximum Product SubarrayVideo
Solution36.7%Medium
155. Min StackVideo
Solution58.5%Medium
162. Find Peak ElementVideo
Solution46.8%Medium
189. Rotate ArrayVideo
Solution45.3%Medium
197. Rising TemperatureVideo
Solution52.4%Easy
210. Course Schedule IIVideo
Solution56.3%Medium
227. Basic Calculator IIVideo
Solution47.3%Medium
238. Product of Array Except SelfVideo
Solution69.3%Medium
253. Meeting Rooms IIVideoPremium
Solution52.6%Medium
305. Number of Islands IIVideoPremium
Solution40.5%Hard
332. Reconstruct ItineraryVideo
Solution45.0%Hard
341. Flatten Nested List IteratorVideo
Solution65.6%Medium
373. Find K Pairs with Smallest SumsVideo
Solution42.3%Medium
395. Longest Substring with At Least K Repeating CharactersVideo
Solution46.8%Medium
438. Find All Anagrams in a StringVideo
Solution54.7%Medium
442. Find All Duplicates in an ArrayVideo
Solution76.8%Medium
451. Sort Characters By FrequencyVideo
Solution75.8%Medium
525. Contiguous ArrayVideo
Solution52.2%Medium
543. Diameter of Binary TreeVideo
Solution66.4%Easy
665. Non-decreasing ArrayVideo
Solution25.5%Medium
694. Number of Distinct IslandsVideoPremium
Solution62.8%Medium
730. Count Different Palindromic SubsequencesVideo
Solution48.2%Hard
735. Asteroid CollisionVideo
Solution49.2%Medium
739. Daily TemperaturesVideo
Solution69.1%Medium
1011. Capacity To Ship Packages Within D DaysVideo
Solution74.8%Medium
1122. Relative Sort ArrayVideo
Solution75.4%Easy
1143. Longest Common SubsequenceVideo
Solution59.6%Medium
1823. Find the Winner of the Circular GameVideo
Solution82.4%Medium
2402. Meeting Rooms IIIVideo
Solution51.6%Hard
2423. Remove Letter To Equalize FrequencyVideo
Solution19.3%Easy
26. Remove Duplicates from Sorted ArrayVideo
Solution63.7%Easy
224. Basic CalculatorVideo
Solution47.3%Hard
279. Perfect SquaresVideo
Solution57.0%Medium
287. Find the Duplicate NumberVideo
Solution64.7%Medium
394. Decode StringVideo
Solution63.0%Medium
697. Degree of an ArrayVideo
Solution58.8%Easy
787. Cheapest Flights Within K StopsVideo
Solution42.7%Medium
815. Bus RoutesVideo
Solution47.3%Hard
987. Vertical Order Traversal of a Binary TreeVideo
Solution54.6%Hard
1642. Furthest Building You Can ReachVideo
Solution50.8%Medium
1926. Nearest Exit from Entrance in MazeVideo
Solution49.0%Medium
Showing 101–143 of 143