Optimal Merge Pattern
Updated Apr 28, 2026
Short answer
Minimizing I/O costs by merging the smallest files first (Huffman style).
Deep explanation
Medium-level greedy problems often involve sorting or priority queues. Minimizing I/O costs by merging the smallest files first (Huffman style).
Real-world example
Merging sorted logs from multiple microservices.
Common mistakes
- Using 0/1 Knapsack logic for Fractional Knapsack.
Follow-up questions
- Why use a Heap?