Coding interview questions

Pinterest Hard Coding Interview Questions (DSA)

The 6 hard DSA problems Pinterest has asked most in the last six months, most-asked first. Switch tabs to see the rest of the 14. Tick them off as you go.

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6hard problems
6full breakdowns
14Pinterest problems in all

By difficulty: All (14) · Medium (8) · Hard (6)

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Topics

332.Reconstruct Itinerary
Full breakdownArrayStringDepth-First Search
465.Optimal Account Balancing
Full breakdownArrayDynamic ProgrammingBacktracking
815.Bus Routes
Full breakdownArrayHash TableBreadth-First Search
282.Expression Add Operators
Full breakdownMathStringBacktracking
410.Split Array Largest Sum
Full breakdownArrayBinary SearchDynamic Programming
642.Design Search Autocomplete System
Full breakdownStringDepth-First SearchDesign

Frequently Asked Questions

What hard Pinterest coding questions are most common?

InterviewSkool has 6 hard Pinterest coding questions. Focus on the top 10 to 15 most common problems for the best ROI.

How many hard questions does Pinterest have?

Pinterest has 6 hard coding questions out of 14 total. Hard problems are less common but can appear in senior-level interviews.

Are these Pinterest hard questions free?

Yes. All 6 hard Pinterest 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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