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Grokking the Coding Interview Patterns in C++

Boats to Save People

Explore how to solve the problem of evacuating people with weight restrictions by using greedy algorithms. Understand how to pair passengers efficiently to minimize boat usage and implement your solution with practical coding exercises.

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Statement

A big ship with numerous passengers is sinking, and there is a need to evacuate these people with the minimum number of life-saving boats. Each boat can carry, at most, two persons however, the weight of the people cannot exceed the carrying weight limit of the boat.

We are given an array, people, where people[i] is the weight of the ithi^{th} person, and an infinite number of boats, where each boat ...