Coding interview questions

Capital One Medium Coding Interview Questions (DSA)

The 8 medium DSA problems Capital One has asked most in the last six months, most-asked first. Switch tabs to see the rest of the 12. Tick them off as you go.

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8medium problems
8full breakdowns
12Capital One problems in all

By difficulty: All (12) · Easy (2) · Medium (8) · Hard (2)

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Companies

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Topics

2043.Simple Bank System
Full breakdownArrayHash TableDesign
Medium▶ Mock
3043.Find the Length of the Longest Common Prefix
Full breakdownArrayHash TableString
Medium▶ Mock
2502.Design Memory Allocator
Full breakdownArrayHash TableDesign
Medium+1▶ Mock
2672.Number of Adjacent Elements With the Same Color
Full breakdownArray
Medium▶ Mock
2232.Minimize Result by Adding Parentheses to Expression
Full breakdownStringEnumeration
Medium▶ Mock
56.Merge Intervals
Full breakdownArraySortingQuicksort
Medium+14▶ Mock
3208.Alternating Groups II
Full breakdownArraySliding Window
Medium▶ Mock
2237.Count Positions on Street With Required Brightness
Full breakdownArrayPrefix Sum
Medium▶ Mock

Frequently Asked Questions

What medium Capital One coding questions are most common?

InterviewSkool has 8 medium Capital One coding questions. Focus on the top 10 to 15 most common problems for the best ROI.

How many medium questions does Capital One have?

Capital One has 8 medium coding questions out of 12 total. Most interviews focus on Medium problems, so this is the most important difficulty to prepare for.

Are these Capital One medium questions free?

Yes. All 8 medium Capital One 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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