How should I practice Reach a Destination Through Scheduled Flights?

Start by reading the full statement, solve the visible examples, then compare the pattern against related Google phone screen and onsite interview problems in FastPrep.

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Reach a Destination Through Scheduled Flights

Google● MediumNEW GRADPHONE SCREENONSITE INTERVIEW

Problem statement

There are airportCount airports numbered from 0 through airportCount - 1. Each flight is [origin, destination, departureTime, arrivalTime].

You begin at startAirport at time 0. You may take a flight from your current airport when its departure time is at least your current arrival time. After taking it, your current time becomes its arrival time.

The problem statement continues

Pro

Examples

Example 1

airportCount = 3flights = [[0,1,2,5],[1,2,5,8]]startAirport = 0targetAirport = 2return = true

Take the first flight and arrive at airport 1 at time 5. The second flight departs exactly at time 5, so the connection is valid.

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