国家按每50克宁夏枸杞的粒数,把宁夏枸杞分为6个等级,所以宁夏枸杞既有大粒也有小粒,粒型大小不能作为判断依据。
I need to read a file, which has an \"n\" number of lines, I need to know when reading the end of each line, so I can store the line in an array, ok so far I have