GUIDED PRACTICE
Linked lists
Track ownership of every link before rewriting it.
8:00Self-guided practice timer
The timer resets when you leave this page. Save your design separately.Your challenge
Explain Floyd cycle detection and why meeting does not necessarily occur at the cycle entry.
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.