moonlightshadow123
6/25/2017 - 2:19 PM

134. Gas Station

  1. Gas Station

https://leetcode.com/problems/gas-station/#/description

There are N gas stations along a circular route, where the amount of gas at station i is gas[i].

You have a car with an unlimited gas tank and it costs cost[i] of gas to travel from station i to its next station (i+1). You begin the journey with an empty tank at one of the gas stations.

Return the starting gas station's index if you can travel around the circuit once, otherwise return -1.