Question 1

How many LeetCode questions does Jane Street ask in interviews?

Accepted Answer

Jane Street has 11 known LeetCode interview questions. The difficulty breakdown is 4 Easy, 3 Medium, and 4 Hard problems.

Question 2

What are the most common topics in Jane Street coding interviews?

Accepted Answer

The most frequently asked topics at Jane Street are Array (7 questions), String (6 questions), Simulation (4 questions), Hash Table (2 questions), Math (2 questions). Focus on these topics to maximize your preparation.

Question 3

How should I prepare for a Jane Street coding interview?

Accepted Answer

Start with the most frequently asked Jane Street problems on CodeJeet, sorted by frequency. Focus on Easy difficulty first since Jane Street asks 3 Medium problems. Practice the top topics: Array, String, Simulation.

Title	Difficulty	Acceptance	Frequency	Topics
Count Common Words With One Occurrence	Easy	73.2%	100.0%	ArrayHash TableString+1
Walking Robot Simulation	Medium	58.4%	93.4%	ArrayHash TableSimulation
Minimum Time to Make Array Sum At Most x	Hard	27.1%	91.3%	ArrayDynamic ProgrammingSorting
Add Two Integers	Easy	87.9%	76.5%	Math
Stream of Characters	Hard	52.0%	65.5%	ArrayStringDesign+2
Design a Text Editor	Hard	50.1%	65.5%	Linked ListStringStack+3
Add Strings	Easy	52.1%	65.5%	MathStringSimulation
Evaluate Division	Medium	64.0%	56.9%	ArrayStringDepth-First Search+4
Longest Common Prefix	Easy	47.1%	56.9%	StringTrie
Trapping Rain Water	Hard	66.8%	56.9%	ArrayTwo PointersDynamic Programming+2
Number of Orders in the Backlog	Medium	53.6%	56.9%	ArrayHeap (Priority Queue)Simulation

Jane Street

Difficulty Distribution

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