LeetCode上 Gas Station是比较经典的一题,它的魅力在于算法足够优秀的情况下,代码可以简化到非常简洁的程度. 原题如下 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…
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…
编写qsbk_spider.py爬虫文件 # -*- coding: utf-8 -*- import scrapy from qsbk.items import QsbkItem from scrapy.http.response.html import HtmlResponse from scrapy.selector.unified import SelectorList class QsbkSpiderSpider(scrapy.Spider): name = 'qsbk_spider'…
核心代码 Program.cs: using System; using System.IO; using Microsoft.Extensions.Configuration; namespace Demo { class Program { static void Main(string[] args) { //添加 json 文件路径 var builder = new ConfigurationBuilder().SetBasePath(Directory.GetCurrentDirec…