GUIDED PRACTICE
Heaps and top K
Maintain only the candidates you need.
12:00Self-guided practice timer
The timer resets when you leave this page. Save your design separately.Your challenge
Compare O(n log k) heap selection with O(n log n) sorting.
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.