Given existing bookings: [(10, 12), (14, 16), (18, 20)], what will be the result of checking a new booking (12, 14) for conflict using the overlap condition start1 ?

medium📝 Analysis Q13 of Q15

LLD - Design — Hotel Booking System

Given existing bookings: [(10, 12), (14, 16), (18, 20)], what will be the result of checking a new booking (12, 14) for conflict using the overlap condition start1 < end2 and start2 < end1?

AConflict with (10, 12)

BConflict with (14, 16)

CNo conflict

DConflict with all existing bookings

Step-by-Step Solution

Solution:

Step 1: Check overlap with each existing booking
Check (12,14) against (10,12): 12 < 12 is false, no overlap. Against (14,16): 12 < 16 true, 14 < 14 false, no overlap. Against (18,20): no overlap.
Step 2: Determine conflict result
No overlaps found with any existing booking intervals.
Final Answer:
No conflict -> Option C
Quick Check:
New booking fits between existing without overlap [OK]

Quick Trick: Check each existing booking for overlap carefully [OK]

Common Mistakes:

MISTAKES

Assuming touching intervals overlap
Ignoring strict less than condition
Confusing start and end times

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Given existing bookings: [(10, 12), (14, 16), (18, 20)], what will be the result of checking a new booking (12, 14) for conflict using the overlap condition start1 ?

Step 1: Check overlap with each existing booking

Step 2: Determine conflict result

Final Answer:

Quick Check:

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