Question 1
A traveler needs to go from City A to City E. The transport schedule is:
- T1: City A to City B, Departs 09:00, Arrives 11:22 AM
- T2: City A to City C, Departs 08:00, Arrives 11:51 AM
- T3: City B to City E, Departs 11:30, Arrives 2:10 PM
- T4: City B to City C, Departs 12:00, Arrives 1:44 PM
- T5: City C to City E, Departs 13:00, Arrives 3:40 PM
- T6: City C to City B, Departs 10:00, Arrives 11:59 AM
- T7: City D to City E, Departs 13:00, Arrives 3:31 PM
- T8: City D to City B, Departs 12:30, Arrives 2:41 PM
Minimum connection time is 60 minutes. What is the earliest arrival time at City E?
Step-by-step solution:
Network Path Analysis:
1. Identify all possible routes from City A to City E:
- City A→City B -> City B→City E
- City A→City C -> City C→City E
- City A→City B -> City B→City C -> City C→City E
2. Best route found:
- T2: City A to City C (08:00 - 11:51 AM)
- Connection time: 69 minutes
- T5: City C to City E (13:00 - 3:40 PM)
Earliest arrival: 3:40 PM
Key Strategy: Enumerate all possible routes, verify connection times meet minimum requirements.
Network Path Analysis:
1. Identify all possible routes from City A to City E:
- City A→City B -> City B→City E
- City A→City C -> City C→City E
- City A→City B -> City B→City C -> City C→City E
2. Best route found:
- T2: City A to City C (08:00 - 11:51 AM)
- Connection time: 69 minutes
- T5: City C to City E (13:00 - 3:40 PM)
Earliest arrival: 3:40 PM
Key Strategy: Enumerate all possible routes, verify connection times meet minimum requirements.