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Heaps
Keep the most important thing on top — without sorting the rest.
Heaps progress
0 / 4
1
Heap Basics
Not sorted — just guaranteed to know its own winner.
5m
2
Heapify and Sift
One wrong value walks a single path back into place.
6m
3
Priority Queue
Serve by urgency, not by who shouted first.
5m
4
Top K Elements
Hold k winners and let the weakest one guard the door.
6m
