RINEX(Receiver INdependent Exchange)格式是与接收机无关的数据交换格式,该格式采用文本文件存储数据,数据记录格式与接收机的制造厂商和具体型号无关.RINEX格式由瑞士伯尔尼大学天文学院(Astronomical Institute, University of Berne)的Werner Gurtner于1989年提出.当时提出该数据格式的目的是为了能够综合处理在EUREF89(欧洲一项大规模的GPS联测项目)中所采集的GPS数据.该项目采用了来自4个
A Simple Chess 题目链接: http://acm.hdu.edu.cn/showproblem.php?pid=5794 Description There is a n×m board, a chess want to go to the position (n,m) from the position (1,1). The chess is able to go to position (x2,y2) from the position (x1,y1), only and if
Facer’s string Time Limit: 3000MS Memory Limit: 65536K Total Submissions: 2155 Accepted: 644 Description Minifacer was very happy these days because he has learned the algorithm of KMP recently. Yet his elder brother, Hugefacer, thought that Mini