Why is it important to consider edge cases like back-to-back bookings (e.g., end1 == start2) in booking conflict resolution?

hard📝 Conceptual Q10 of 15

LLD - Design — Hotel Booking System

ABecause back-to-back bookings are invalid by definition

BBecause back-to-back bookings always cause conflicts

CBecause back-to-back bookings require deleting one booking

DBecause back-to-back bookings usually do not conflict and should be allowed

Step-by-Step Solution

Solution:

Step 1: Understand back-to-back booking scenario
Bookings where one ends exactly when another starts do not overlap.
Step 2: Importance in conflict resolution
Allowing such bookings maximizes resource usage without conflicts.
Final Answer:
Because back-to-back bookings usually do not conflict and should be allowed -> Option D
Quick Check:
Back-to-back bookings allowed = better utilization [OK]

Quick Trick: Allow bookings that touch but don't overlap [OK]

Common Mistakes:

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