How does Quick Sort differ from Merge Sort?
Updated Apr 28, 2026
Short answer
Merge Sort divides at the center; Quick Sort divides based on a pivot value.
Deep explanation
Medium-level D&C explores specific mathematical optimizations and trade-offs. Merge Sort divides at the center; Quick Sort divides based on a pivot value.
Real-world example
Efficiently multiplying very large numbers in cryptographic systems.
Common mistakes
- Applying Master Theorem to recurrences that don't fit the standard format.
Follow-up questions
- What happens if a < 1?