LeetCode 134. 加油站(Gas Station)】的更多相关文章

[题目] 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…
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 e…
题目 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 a…
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 e…
leetcode 134 解析 在一条环路上有 N 个加油站,其中第 i 个加油站有汽油 gas[i] 升. 你有一辆油箱容量无限的的汽车,从第 i 个加油站开往第 i+1 个加油站需要消耗汽油 cost[i] 升.你从其中的一个加油站出发,开始时油箱为空. 如果你可以绕环路行驶一周,则返回出发时加油站的编号,否则返回 -1. 说明: 如果题目有解,该答案即为唯一答案. 输入数组均为非空数组,且长度相同. 输入数组中的元素均为非负数. 自己的答案,基本算是暴力解法了,双重循环,不过考虑实际情况大…
Gas Station 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 journ…
前言   [LeetCode 题解]系列传送门:  http://www.cnblogs.com/double-win/category/573499.html   1.题目描述 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]…
134. 加油站 在一条环路上有 N 个加油站,其中第 i 个加油站有汽油 gas[i] 升. 你有一辆油箱容量无限的的汽车,从第 i 个加油站开往第 i+1 个加油站需要消耗汽油 cost[i] 升.你从其中的一个加油站出发,开始时油箱为空. 如果你可以绕环路行驶一周,则返回出发时加油站的编号,否则返回 -1. 说明: 如果题目有解,该答案即为唯一答案. 输入数组均为非空数组,且长度相同. 输入数组中的元素均为非负数. 示例 1: 输入: gas = [1,2,3,4,5] cost = [3…
题目描述 在一条环路上有 N 个加油站,其中第 i 个加油站有汽油 gas[i] 升. 你有一辆油箱容量无限的的汽车,从第 i 个加油站开往第 i+1 个加油站需要消耗汽油 cost[i] 升.你从其中的一个加油站出发,开始时油箱为空. 如果你可以绕环路行驶一周,则返回出发时加油站的编号,否则返回 -1. 说明: 如果题目有解,该答案即为唯一答案. 输入数组均为非空数组,且长度相同. 输入数组中的元素均为非负数. 示例 1: 输入: gas = [1,2,3,4,5] cost = [3,4,5…
Problem link: http://oj.leetcode.com/problems/gas-station/ We can solve this problem by following algorithm. CompleteCircuit(gas, cost): let n be the number of stations // Check if there exists i such that A[i,n] >= 0 if (sum of gas) > (sum of cost)…