Walmart Labs Online Assessment Questions

We hold no confirmed online assessment reports for Walmart Labs so far. Below are its 13 closest coding and technical questions, which is what an OA draws from.

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Walmart Labs Coding & Technical Questions

#200 Number of Islands

medium graph lc_company

LeetCode #200: Number of Islands. Difficulty: Medium. Topics: Array, Depth-First Search, Breadth-First Search, Union-Find, Matrix. Asked at Walmart Labs in the last 6 months.

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#3 Longest Substring Without Repeating Characters

medium sliding window lc_company

LeetCode #3: Longest Substring Without Repeating Characters. Difficulty: Medium. Topics: Hash Table, String, Sliding Window. Asked at Walmart Labs in the last 6 months.

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#560 Subarray Sum Equals K

medium hash table lc_company

LeetCode #560: Subarray Sum Equals K. Difficulty: Medium. Topics: Array, Hash Table, Prefix Sum. Asked at Walmart Labs in the last 6 months.

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#22 Generate Parentheses

medium backtracking lc_company

LeetCode #22: Generate Parentheses. Difficulty: Medium. Topics: String, Dynamic Programming, Backtracking. Asked at Walmart Labs in the last 6 months.

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#11 Container With Most Water

medium two pointers lc_company

LeetCode #11: Container With Most Water. Difficulty: Medium. Topics: Array, Two Pointers, Greedy. Asked at Walmart Labs in the last 6 months.

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#332 Reconstruct Itinerary

hard graph lc_company

LeetCode #332: Reconstruct Itinerary. Difficulty: Hard. Topics: Array, String, Depth-First Search, Graph Theory, Sorting, Heap (Priority Queue), Eulerian Circuit. Asked at Walmart Labs in the last 6 months.

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#567 Permutation in String

medium sliding window lc_company

LeetCode #567: Permutation in String. Difficulty: Medium. Topics: Hash Table, Two Pointers, String, Sliding Window. Asked at Walmart Labs in the last 6 months.

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#138 Copy List with Random Pointer

medium linked list lc_company

LeetCode #138: Copy List with Random Pointer. Difficulty: Medium. Topics: Hash Table, Linked List. Asked at Walmart Labs in the last 6 months.

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#198 House Robber

medium dp lc_company

LeetCode #198: House Robber. Difficulty: Medium. Topics: Array, Dynamic Programming. Asked at Walmart Labs in the last 6 months.

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#5 Longest Palindromic Substring

medium dp lc_company

LeetCode #5: Longest Palindromic Substring. Difficulty: Medium. Topics: Two Pointers, String, Dynamic Programming. Asked at Walmart Labs in the last 6 months.

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Most Common OA Topics

graph (3) sliding window (2) hash table (2) dp (2) two pointers (1) stack (1) linked list (1) backtracking (1)

Walmart Labs OA Format and Platform

The Walmart Labs online assessment is delivered through a proctored online platform, most commonly HackerRank. Candidates receive the OA link by email after passing an initial resume review. The coding section typically contains 2 to 3 algorithmic problems with a 70 to 110 minute time limit.

Some Walmart Labs teams include an additional work simulation section that tests judgment and decision-making rather than coding ability. This section is not present for all roles. Check the LeakCode question database filtered by role type to see what past candidates for your specific role reported.

FAQ

Does Walmart Labs have an online assessment?

Yes. Walmart Labs uses an OA as the first technical screen for most engineering and technical roles. It is typically sent after a resume review and before any human interviews. The format has remained consistent across recent hiring cycles.

How hard is the Walmart Labs OA?

Based on candidate reports, Walmart Labs OA problems range from LeetCode medium to hard. Expect at least one problem that requires an efficient algorithm (not brute force) to pass all test cases within the time limit.

Where do these OA questions come from?

All questions in the LeakCode database are sourced from actual candidate reports on 1Point3Acres, Blind, Glassdoor, Reddit, and LeetCode. They are not AI-generated. Each question links to its source where the original report is public.

Related: Walmart Labs All Questions · All OA Questions · Browse Companies · Data Sources