Coding interview questions

Walmart Hard Coding Interview Questions (DSA)

The 10 hard DSA problems Walmart has asked most in the last six months, most-asked first. Switch tabs to see the rest of the 50. Tick them off as you go.

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10hard problems
10full breakdowns
50Walmart problems in all

By difficulty: All (50) · Easy (7) · Medium (33) · Hard (10)

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Companies

Google50Meta50Amazon50Apple50Microsoft50Uber50Oracle50Salesforce50Walmart50Bloomberg50Atlassian48Goldman Sachs39TikTok34Databricks26Rippling25Netflix24LinkedIn23Visa23Anduril21Snowflake20Adobe17NVIDIA16OpenAI14DE Shaw14JPMorgan14Pinterest14Capital One12Roblox11Airbnb9Flipkart9Anthropic4

Topics

239.Sliding Window Maximum
Full breakdownArrayQueueSliding Window
Hard+2▶ Mock
716.Max Stack
Full breakdownLinked ListStackDesign
Hard▶ Mock
23.Merge k Sorted Lists
Full breakdownLinked ListDivide and ConquerHeap (Priority Queue)
Hard+4▶ Mock
25.Reverse Nodes in k-Group
Full breakdownLinked ListRecursion
Hard▶ Mock
41.First Missing Positive
Full breakdownArrayHash Table
Hard▶ Mock
42.Trapping Rain Water
Full breakdownArrayTwo PointersDynamic Programming
Hard+6▶ Mock
76.Minimum Window Substring
Full breakdownHash TableStringSliding Window
Hard▶ Mock
460.LFU Cache
Full breakdownHash TableLinked ListDesign
Hard+1▶ Mock
4.Median of Two Sorted Arrays
Full breakdownArrayBinary SearchDivide and Conquer
Hard+5▶ Mock
44.Wildcard Matching
Full breakdownStringDynamic ProgrammingGreedy
Hard▶ Mock

Frequently Asked Questions

What hard Walmart coding questions are most common?

InterviewSkool has 10 hard Walmart coding questions. Focus on the top 10 to 15 most common problems for the best ROI.

How many hard questions does Walmart have?

Walmart has 10 hard coding questions out of 50 total. Hard problems are less common but can appear in senior-level interviews.

Are these Walmart hard questions free?

Yes. All 10 hard Walmart coding questions are free to browse. No sign-up required. Filter by topic and click any problem to open it on LeetCode.

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