LLD - Design — Hotel Booking System
Which of the following code snippets correctly checks if two time intervals
(start1, end1) and (start2, end2) overlap?Which of the following code snippets correctly checks if two time intervals (start1, end1) and (start2, end2) overlap?
easy📝 Conceptual Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Understand time interval overlap condition
Two intervals overlap if one starts before the other ends and vice versa.Step 2: Match condition to code
Conditionstart1 < end2 and start2 < end1correctly detects overlap.Final Answer:
if start1 < end2 and start2 < end1: overlap -> Option AQuick Check:
Overlap check = start1 < end2 and start2 < end1 [OK]
Quick Trick: Overlap if intervals cross each other in time [OK]
Common Mistakes:
- Using <= instead of < causing false negatives
- Confusing no overlap with overlap conditions
- Checking equality as overlap incorrectly
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