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Grokking the Coding Interview Patterns in C++

Gas Station

Understand and apply greedy algorithms to determine the gas station index that allows completing a circular route with given gas and cost arrays. Learn to evaluate problem constraints and implement solutions that optimize travel efficiency.

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Statement

There are nn gas stations along a circular route, where the amount of gas at the ithi^{th} station is gas[i].

We have a car with an unlimited gas tank, and it costs cost[i] of gas to travel from the  ...