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Heaps & Priority Queues
Efficiently track min/max elements. Top-K problems, merge K sorted lists, and scheduling.
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Heaps & Priority QueuesBeginnerIntermediateAdvancedQuestions: 1–5
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What You'll Practice (4 techniques)
Min/Max heapTop-K patternTwo heaps (median)Merge K sorted
Prerequisites
Arrays
Sorting
Difficulty Levels
Beginner
Core pattern recognition, fundamental approach.
Intermediate
Pattern variations, edge cases, optimization.
Advanced
Complex combinations, merge multiple patterns.