Coding interview questions

Google Hard Coding Interview Questions (DSA)

The 4 hard DSA problems Google 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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4hard problems
4full breakdowns
50Google problems in all

By difficulty: All (50) · Easy (26) · Medium (20) · Hard (4)

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Topics

4.Median of Two Sorted Arrays
Full breakdownArrayBinary SearchDivide and Conquer
Hard+5▶ Mock
410.Split Array Largest Sum
Full breakdownArrayBinary SearchDynamic Programming
51.N-Queens
Full breakdownArrayBacktrackingAlgorithm X
42.Trapping Rain Water
Full breakdownArrayTwo PointersDynamic Programming
Hard+6▶ Mock

Frequently Asked Questions

What hard Google coding questions are most common?

InterviewSkool has 4 hard Google coding questions. Focus on the top 10 to 15 most common problems for the best ROI.

How many hard questions does Google have?

Google has 4 hard coding questions out of 50 total. Hard problems are less common but can appear in senior-level interviews.

Are these Google hard questions free?

Yes. All 4 hard Google 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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