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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
1209. Remove All Adjacent Duplicates in String IIVideo
Solution61.7%Medium
1249. Minimum Remove to Make Valid ParenthesesVideo
Solution71.3%Medium
1329. Sort the Matrix DiagonallyVideo
Solution82.9%Medium
2461. Maximum Sum of Distinct Subarrays With Length KVideo
Solution43.5%Medium
7. Reverse IntegerVideo
Solution32.2%Medium
19. Remove Nth Node From End of ListVideo
Solution52.4%Medium
40. Combination Sum IIVideo
Solution60.3%Medium
50. Pow(x, n)Video
Solution39.0%Medium
55. Jump GameVideo
Solution41.2%Medium
72. Edit DistanceVideo
Solution61.5%Medium
78. SubsetsVideo
Solution82.7%Medium
79. Word SearchVideo
Solution48.2%Medium
81. Search in Rotated Sorted Array IIVideo
Solution40.4%Medium
92. Reverse Linked List IIVideo
Solution52.4%Medium
116. Populating Next Right Pointers in Each NodeVideo
Solution67.6%Medium
120. TriangleVideo
Solution59.9%Medium
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
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
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
665. Non-decreasing ArrayVideo
Solution25.5%Medium
694. Number of Distinct IslandsVideoPremium
Solution62.8%Medium
735. Asteroid CollisionVideo
Solution49.2%Medium
739. Daily TemperaturesVideo
Solution69.1%Medium
1011. Capacity To Ship Packages Within D DaysVideo
Solution74.8%Medium
1143. Longest Common SubsequenceVideo
Solution59.6%Medium
1823. Find the Winner of the Circular GameVideo
Solution82.4%Medium
279. Perfect SquaresVideo
Solution57.0%Medium
287. Find the Duplicate NumberVideo
Solution64.7%Medium
394. Decode StringVideo
Solution63.0%Medium
787. Cheapest Flights Within K StopsVideo
Solution42.7%Medium
1642. Furthest Building You Can ReachVideo
Solution50.8%Medium
1926. Nearest Exit from Entrance in MazeVideo
Solution49.0%Medium
Showing 51–95 of 95