Free study plan
The Crayon Interview 100
The 100 most-asked questions across 10 topics, in a 4-week plan. Do about 4 a day, say your answer out loud, then compare with the model answer. Free, no card needed.
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Week 1 · Foundations
The language and CS basics every interview assumes.
Week 2 · Coding rounds
The patterns behind most algorithm questions.
Week 3 · Data and the web
SQL, how the web works, and the tools you use daily.
Week 4 · Senior signals
System design and the stories that win the offer.
Finished the 100? Keep going.
Members get all 1,200 questions, company reports from real interviews, timed and AI mock interviews, and every lesson, for $39/year (about 11¢ a day). 14-day money-back guarantee.
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