Stack vs Queue
Learn when to use each pattern and make the right choice in your coding interview.
Quick Answer
Use Stack when the problem fits stack pattern
Use Queue when the problem fits queue pattern
Side-by-Side Comparison
Stack
Best For
Various algorithmic problems
Time
Varies
Space
Varies
Queue
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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