题意:给你一个<10^4的S串和<10^6的T串,通过将S串重复k次,然后将其中一些多余的字母删掉可以获得T串,问k最小是多少,没有的话输出1. 思路:对于每个T串里的字母,我们从左到右扫,由于我们一定要找到对应的字母,于是我们必然是尽可能早的在S串里找到这个字母,然后再从匹配的串的位置开始继续往后找T串的下一个字母.所以贪心的思路就是我们总是尽量在S串的前面匹配到T的对应字母. 譬如样例 S:abcd T:dabc,  首先我们肯定要匹配d,所以我们一开始将指针移到S的d的位置,然后发现往后…

题目链接:CodeForces - 91A  Newspaper Headline 官方题解: In this problem letters from s1 should be taken greedily: take the left letter from the right of the last used letter, if there is no necessary letter from the right of the right used letter the the sea…

A - ι⊥l Time limit : 2sec / Memory limit : 256MB Score : 100 points Problem Statement Three poles stand evenly spaced along a line. Their heights are a, b and c meters, from left to right. We will call the arrangement of the poles beautiful if the to…

Description A newspaper is published in Walrusland. Its heading is s1, it consists of lowercase Latin letters. Fangy the little walrus wants to buy several such newspapers, cut out their headings, glue them one to another in order to get one big stri…

然后爆红说nltk==2.0.5 太老了 所以我们 把包下载下来将requirements文件中nltk==2.0.5改成3.3.0 然后 将包打包 然后安装这个包就OK 下载newpaper wget https://pypi.python.org/packages/d8/07/5765cc9c36e2be1a0f0e615b7a092129e1ba30a25182506dea437290c193/newspaper-0.1.0.7.tar.gz 解压 tar -xzf newspaper-0…

解决pymysql.err.InternalError: (1366, "Incorrect string value: '\\xF0\\x9F\\x8C\\xB8' for column 'headline' at row 1") 当使用Python对MySQL数据库进行操作时,我们可能会遇到这种错误,这是因为编码所引起的错误,我们必须确保MySQL中的数据库中的编码支持utf8格式,才能将正常的中文格式的字符串插入到MySQL中,我们必须要确保如下character_set_ser…

TPO-15 C1 The campus newspaper's reporter position 第 1 段 1.Listen to a conversation between a Student and the faculty Advisor of the campus newspaper. 听一段学生和校园报社指导教师的对话 第 2 段 1.Hi! I talked to someone on the phone a couple of weeks ago, Anna, I think…

newspaper用于爬取各式各样的新闻网站 1,安装newspaper pip install newspaper3k 2,直接上代码 from newspaper import Article url = '你想要爬取的网站url' news = Article(url, language='zh') news .download() #先下载 news .parse() #再解析 print(news.text) #新闻正文 print(news.title) #新闻标题 print(ne…

以下转自www.eslpod.com,翻译为本人添加.其余版权均归原网站所有. ESLPOD是一个英语学习网站,我最初知道这个网站,是因为“奶爸”<把你的英语用起来>(电子版3元)一书的推荐. ESLPOD的六本书国内尚未出版. 下面这篇文章是从官网转载的.http://www.eslpod.com/eslpod_blog/ Here’s a recent headline from the Financial Times: 以下是最近刊登在<经济时报>一篇文章的标题: A Cap…

Newspaper3k: Article scraping & curation 首先在命令行安装 newspaper pip install Newspaper3k 然后导入包进行写代码 from newspaper import Article news = Article(response.url) news.download()#进行下载 news.parse()#进行解析 print(news.text)#新闻的内容文本 print(news.title)#新闻的表题 print(ne…