Learning pathsA
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.