Intervals - Meeting Rooms I
What does the function can_attend_meetings return when called with a single meeting interval [[10,10]]?
What does the function can_attend_meetings return when called with a single meeting interval [[10,10]]?
medium🧾 Code Trace Q4 of Q15
Step-by-Step Solution
Solution:
Step 1: Sort single interval
Only one interval [[10,10]], sorting has no effect.Step 2: Check overlap condition
Start=10, end=-inf initially, 10 < -inf is false, update end=10, loop ends, return True.Final Answer:
Option D -> Option DQuick Check:
Single interval always non-overlapping [OK]
Quick Trick: Single interval means no overlap [OK]
Common Mistakes:
MISTAKES- Assuming zero-length intervals cause error
- Confusing < with <= in overlap check
Trap Explanation:
PITFALL- Candidates may think zero-length intervals are invalid or overlapping incorrectly.
Interviewer Note:
CONTEXT- Tests handling of edge cases with minimal input.
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