Practice in the browser

Google coding interview problems

Google coding rounds lean algorithmic and favour clean, well-reasoned solutions over raw speed. Graphs, dynamic programming, and a willingness to discuss complexity out loud go a long way.

Commonly emphasisedGraphs and traversalDynamic programmingStrings and intervals

These problems commonly appear in Google coding interviews based on widely shared public reports. They are not an official list and not leaked questions, and interview content varies by team and level. Use the set to focus your practice on the patterns Google tends to favour, then solve each one in the live editor.

easy

1 problem

Two Sumeasy

medium

7 problems

hard

2 problems

Frequently asked questions

Are these the exact questions Google asks?: No. These are problems that commonly appear in Google coding interviews as reported across public community sources, chosen to match the patterns Google tends to favour. Interview content varies by team, role, and time, so treat this as a focused practice set rather than a question leak.
How should I practise these?: Open each problem, attempt it cold for twenty to thirty minutes, and run it against the test cases. If you get stuck, work out the optimal approach, then close the editor and re-solve from scratch the next day. Being able to reproduce a solution unaided is what carries into the interview.
Which language should I use?: Use the language you will interview in. The editor runs JavaScript, TypeScript, and Python in your browser, and Java, C, and C++ in a sandbox, so you can rehearse in your real stack.

Keep going

Google interview questions and process

All coding problems in the live editor

The NeetCode 150 roadmap and tracker

Guide: coding interview patterns

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Google coding interview problems

Google coding rounds lean algorithmic and favour clean, well-reasoned solutions over raw speed. Graphs, dynamic programming, and a willingness to discuss complexity out loud go a long way.

Commonly emphasisedGraphs and traversalDynamic programmingStrings and intervals

Frequently asked questions

Are these the exact questions Google asks?

No. These are problems that commonly appear in Google coding interviews as reported across public community sources, chosen to match the patterns Google tends to favour. Interview content varies by team, role, and time, so treat this as a focused practice set rather than a question leak.

How should I practise these?

Open each problem, attempt it cold for twenty to thirty minutes, and run it against the test cases. If you get stuck, work out the optimal approach, then close the editor and re-solve from scratch the next day. Being able to reproduce a solution unaided is what carries into the interview.

Which language should I use?

Use the language you will interview in. The editor runs JavaScript, TypeScript, and Python in your browser, and Java, C, and C++ in a sandbox, so you can rehearse in your real stack.