Question 1

How many LeetCode questions does Coinbase ask in interviews?

Accepted Answer

Coinbase has 12 known LeetCode interview questions. The difficulty breakdown is 1 Easy, 9 Medium, and 2 Hard problems.

Question 2

What are the most common topics in Coinbase coding interviews?

Accepted Answer

The most frequently asked topics at Coinbase are Array (8 questions), String (7 questions), Hash Table (6 questions), Design (5 questions), Simulation (3 questions). Focus on these topics to maximize your preparation.

Question 3

How should I prepare for a Coinbase coding interview?

Accepted Answer

Start with the most frequently asked Coinbase problems on CodeJeet, sorted by frequency. Focus on Medium difficulty first since Coinbase asks 9 Medium problems. Practice the top topics: Array, String, Hash Table.

Title	Difficulty	Acceptance	Frequency	Topics
Simple Bank System	Medium	69.8%	100.0%	ArrayHash TableDesign+1
Zigzag Iterator	Medium	66.5%	96.4%	ArrayDesignQueue+1
Time Based Key-Value Store	Medium	49.7%	90.4%	Hash TableStringBinary Search+1
Decode the Message	Easy	85.8%	88.6%	Hash TableString
Design In-Memory File System	Hard	48.4%	84.4%	Hash TableStringDesign+2
Design File System	Medium	65.1%	67.5%	Hash TableStringDesign+1
Check if There is a Valid Partition For The Array	Medium	52.2%	61.5%	ArrayDynamic Programming
Text Justification	Hard	50.5%	61.5%	ArrayStringSimulation
Random Pick with Weight	Medium	48.9%	61.5%	ArrayMathBinary Search+2
Number of Orders in the Backlog	Medium	53.6%	53.1%	ArrayHeap (Priority Queue)Simulation
Evaluate Division	Medium	64.0%	53.1%	ArrayStringDepth-First Search+4
Find the Length of the Longest Common Prefix	Medium	57.0%	53.1%	ArrayHash TableString+1

Coinbase

Difficulty Distribution

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