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Grokking the Coding Interview Patterns in C++

Solution: Car Pooling

Explore how to determine if all car pooling trips can be completed without exceeding capacity by using a timeline-based approach. Understand the difference array pattern to track passenger changes at pickup and drop-off locations and simulate the journey efficiently while ensuring vehicle load limits are respected.

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Statement

You are given a car with a fixed number of seats, denoted by an integer capacity. The car only travels in one direction — eastward — and does not make any U-turns.

You are also provided with an array, trips, where each element trips[i] =[numPassengersi,fromi,toi]= [\text{numPassengers}_i, \text{from}_i, \text{to}_i] ...