Question 1
A traveler needs to go from City A to City E. The transport schedule is:
- T1: City A to City B, Departs 10:00, Arrives 12:56 PM
- T2: City A to City C, Departs 07:30, Arrives 10:31 AM
- T3: City B to City E, Departs 15:00, Arrives 5:41 PM
- T4: City B to City C, Departs 11:30, Arrives 2:29 PM
- T5: City C to City E, Departs 10:30, Arrives 12:18 PM
- T6: City C to City B, Departs 13:30, Arrives 4:14 PM
- T7: City D to City E, Departs 11:30, Arrives 2:27 PM
- T8: City D to City B, Departs 12:00, Arrives 2:11 PM
Minimum connection time is 45 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:
- T1: City A to City B (10:00 - 12:56 PM)
- Connection time: 124 minutes
- T3: City B to City E (15:00 - 5:41 PM)
Earliest arrival: 5:41 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:
- T1: City A to City B (10:00 - 12:56 PM)
- Connection time: 124 minutes
- T3: City B to City E (15:00 - 5:41 PM)
Earliest arrival: 5:41 PM
Key Strategy: Enumerate all possible routes, verify connection times meet minimum requirements.