Fixed vs Variable Sliding Window
Learn when to use each pattern and make the right choice in your coding interview.
Quick Answer
Use Sliding Window Fixed when the problem fits sliding-window-fixed pattern
Use Sliding Window Variable when the problem fits sliding-window-variable pattern
Side-by-Side Comparison
Sliding Window Fixed
Best For
Various algorithmic problems
Time
Varies
Space
Varies
Sliding Window Variable
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
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