GUIDED PRACTICE
Google preparation guide
Make the reasoning visible at every step.
10:00Self-guided practice timer
The timer resets when you leave this page. Save your design separately.Your challenge
Practice changing a solution after an interviewer adds a new constraint.
Your design draft
Clarify assumptions, explain your approach, and test the difficult cases. Save your draft, then compare it with the study notes.
Self-review checklist
Self-guided practice. Automated AI feedback and code execution are not connected.