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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 81 String 36 Hash Table 35 Dynamic Programming 21 Two Pointers 20 Sorting 18 Breadth-First Search 16 Math 15 Stack 14 Binary Search 13

Most asked first

TitleSolutionAcceptDifficultyAsked

42. Trapping Rain WaterVideo

Solution68.2%Hard

Last 6 months

2071. Maximum Number of Tasks You Can AssignVideo

Solution50.1%Hard

2179. Count Good Triplets in an ArrayVideo

Solution65.2%Hard

2449. Minimum Number of Operations to Make Arrays SimilarVideo

Solution61.8%Hard

4. Median of Two Sorted ArraysVideo

Solution47.9%Hard

239. Sliding Window MaximumVideo

Solution49.1%Hard

Last 3 months

41. First Missing PositiveVideo

Solution43.8%Hard

84. Largest Rectangle in HistogramVideo

Solution50.7%Hard

407. Trapping Rain Water IIVideo

Solution64.0%Hard

135. CandyVideo

Solution49.3%Hard

305. Number of Islands IIVideoPremium

Solution40.5%Hard

2402. Meeting Rooms IIIVideo

Solution51.6%Hard

815. Bus RoutesVideo

Solution47.3%Hard

Showing 1–13 of 13