优先级调度算法，nachos课程设计，设计有优先级调度-Priority scheduling algorithm, nachos curriculum design

mini搜索引擎，载入50个文本文件，然后通过输入关键词来计算词出现的次数-we will design and implement a mini search engine that is used to search through a set of 50 documents and a set of sample queries. The data structures used for storing is vector and array. The algorithm in this