Coding interview questions

Anduril Coding Interview Questions (DSA)

The 21 DSA problems Anduril has asked most in the last six months, most-asked first. 21 of them have a full breakdown with diagrams and code. Tick them off as you go.

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21problems
21full breakdowns
26topics

By difficulty: Easy (3) · Medium (15) · Hard (3)

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Topics

200.Number of Islands
Full breakdownArrayDepth-First SearchBreadth-First Search
Medium+7▶ Mock
475.Heaters
Full breakdownArrayTwo PointersBinary Search
Medium▶ Mock
210.Course Schedule II
Full breakdownDepth-First SearchBreadth-First SearchGraph Theory
Medium+3▶ Mock
443.String Compression
Full breakdownTwo PointersString
Medium▶ Mock
1610.Maximum Number of Visible Points
Full breakdownArrayMathGeometry
827.Making A Large Island
Full breakdownArrayDepth-First SearchBreadth-First Search
1762.Buildings With an Ocean View
Full breakdownArrayStackMonotonic Stack
Medium▶ Mock
994.Rotting Oranges
Full breakdownArrayBreadth-First SearchMatrix
Medium+5▶ Mock
1087.Brace Expansion
Full breakdownStringBacktrackingStack
Medium▶ Mock
383.Ransom Note
Full breakdownHash TableStringCounting
1091.Shortest Path in Binary Matrix
Full breakdownArrayBreadth-First SearchMatrix
Medium▶ Mock
701.Insert into a Binary Search Tree
Full breakdownTreeBinary Search TreeBinary Tree
Medium▶ Mock
94.Binary Tree Inorder Traversal
Full breakdownStackTreeDepth-First Search
110.Balanced Binary Tree
Full breakdownTreeDepth-First SearchBinary Tree
2360.Longest Cycle in a Graph
Full breakdownDepth-First SearchBreadth-First SearchGraph Theory
207.Course Schedule
Full breakdownDepth-First SearchBreadth-First SearchGraph Theory
Medium+4▶ Mock
838.Push Dominoes
Full breakdownTwo PointersStringDynamic Programming
Medium▶ Mock
91.Decode Ways
Full breakdownStringDynamic Programming
Medium+4▶ Mock
1145.Binary Tree Coloring Game
Full breakdownTreeDepth-First SearchBinary Tree
Medium▶ Mock
739.Daily Temperatures
Full breakdownArrayStackMonotonic Stack
Medium+4▶ Mock

Frequently Asked Questions

What questions does Anduril ask in coding interviews?

Anduril coding interviews focus on Array, Backtracking, Binary Search, Binary Search Tree, and other data structure problems. We compiled 21 questions from real Anduril interviews. The most common topics are Array, Backtracking, Binary Search, Binary Search Tree, Binary Tree. Filter by topic to see what comes up most often.

How many Anduril coding interview questions are there?

InterviewSkool has 21 Anduril coding interview questions: 3 Easy, 15 Medium, and 3 Hard. Most Anduril interviews focus on Medium-difficulty problems, so prioritize those in your prep.

How should I prepare for Anduril coding interviews?

Start with Medium difficulty problems. Group by topic (Array, Tree, DP) to build pattern recognition. Aim to solve 30 to 40 problems before your interview. Then practice under pressure with a mock interview.

Are Anduril coding interview questions free?

Yes. All 21 Anduril coding interview questions are free to browse with no sign-up required. You can filter by difficulty and topic tags. Start a mock interview with a free credit to practice under real pressure.

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