Coding interview questions

Meta Medium Coding Interview Questions (DSA)

The 25 medium DSA problems Meta 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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25medium problems
25full breakdowns
50Meta problems in all

By difficulty: All (50) · Easy (20) · Medium (25) · Hard (5)

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Companies

Google50Meta50Amazon50Apple50Microsoft50Uber50Oracle50Salesforce50Walmart50Bloomberg50Atlassian48Goldman Sachs39TikTok34Databricks26Rippling25Netflix24LinkedIn23Visa23Anduril21Snowflake20Adobe17NVIDIA16OpenAI14DE Shaw14JPMorgan14Pinterest14Capital One12Roblox11Airbnb9Flipkart9Anthropic4

Topics

3.Longest Substring Without Repeating Characters
Full breakdownHash TableStringSliding Window
Medium+13▶ Mock
215.Kth Largest Element in an Array
Full breakdownArrayDivide and ConquerSorting
Medium▶ Mock
2.Add Two Numbers
Full breakdownLinked ListMathRecursion
Medium+3▶ Mock
5.Longest Palindromic Substring
Full breakdownTwo PointersStringDynamic Programming
Medium+8▶ Mock
560.Subarray Sum Equals K
Full breakdownArrayHash TablePrefix Sum
Medium+2▶ Mock
12.Integer to Roman
Full breakdownHash TableMathString
Medium▶ Mock
7.Reverse Integer
Full breakdownMath
Medium▶ Mock
238.Product of Array Except Self
Full breakdownArrayPrefix Sum
Medium+5▶ Mock
567.Permutation in String
Full breakdownHash TableTwo PointersString
Medium▶ Mock
11.Container With Most Water
Full breakdownArrayTwo PointersGreedy
Medium+6▶ Mock
209.Minimum Size Subarray Sum
Full breakdownArrayBinary SearchSliding Window
Medium▶ Mock
53.Maximum Subarray
Full breakdownArrayDivide and ConquerDynamic Programming
Medium+7▶ Mock
1386.Cinema Seat Allocation
Full breakdownArrayHash TableGreedy
Medium▶ Mock
1249.Minimum Remove to Make Valid Parentheses
Full breakdownStringStack
Medium▶ Mock
15.3Sum
Full breakdownArrayTwo PointersSorting
Medium+5▶ Mock
189.Rotate Array
Full breakdownArrayMathTwo Pointers
Medium+1▶ Mock
207.Course Schedule
Full breakdownDepth-First SearchBreadth-First SearchGraph Theory
Medium+4▶ Mock
986.Interval List Intersections
Full breakdownArrayTwo PointersSweep Line
Medium▶ Mock
122.Best Time to Buy and Sell Stock II
Full breakdownArrayDynamic ProgrammingGreedy
Medium▶ Mock
146.LRU Cache
Full breakdownHash TableLinked ListDesign
Medium+9▶ Mock
78.Subsets
Full breakdownArrayBacktrackingBit Manipulation
Medium+1▶ Mock
31.Next Permutation
Full breakdownArrayTwo Pointers
Medium▶ Mock
1004.Max Consecutive Ones III
Full breakdownArrayBinary SearchSliding Window
Medium▶ Mock
33.Search in Rotated Sorted Array
Full breakdownArrayBinary Search
Medium+5▶ Mock
34.Find First and Last Position of Element in Sorted Array
Full breakdownArrayBinary Search
Medium+1▶ Mock

Frequently Asked Questions

What medium Meta coding questions are most common?

InterviewSkool has 25 medium Meta coding questions. Focus on the top 10 to 15 most common problems for the best ROI.

How many medium questions does Meta have?

Meta has 25 medium coding questions out of 50 total. Most interviews focus on Medium problems, so this is the most important difficulty to prepare for.

Are these Meta medium questions free?

Yes. All 25 medium Meta 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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