Top-Down vs Bottom-Up DP
Learn when to use each pattern and make the right choice in your coding interview.
Quick Answer
Use Top Down when the problem fits top-down pattern
Use Bottom Up when the problem fits bottom-up pattern
Side-by-Side Comparison
Top Down
Best For
Various algorithmic problems
Time
Varies
Space
Varies
Bottom Up
Best For
Various algorithmic problems
Time
Varies
Space
Varies
How to Decide
- Analyze the problem constraints
- Consider time/space trade-offs
- Look for pattern triggers
Practice Both Patterns
Build intuition to recognize which pattern fits. Practice with interactive MCQs in LeetEye.
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