1D DP vs 2D DP
Learn when to use each pattern and make the right choice in your coding interview.
Quick Answer
Use 1d Dp when the problem fits 1d-dp pattern
Use 2d Dp when the problem fits 2d-dp pattern
Side-by-Side Comparison
1d Dp
Best For
Various algorithmic problems
Time
Varies
Space
Varies
2d Dp
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.
Download LeetEye Free