从文本文件中读取整数并将它们放入已排序的数组中

I've been scratching my head on this all day trying to figure out how to do this. I have tried multiple different ways, but I feel I've been going about this all wrong. My assignment is to read 50 integers from a .txt file and put the contents into a sorted array, then list the highest/lowest/average number, but I can hardly get past step one.I've been scratching my head on this all day tr