Introduction - If you have any usage issues, please Google them yourself
Enter a positive integer n, then n students enter school numbers and math, English, computer performance, requiring
(1) calculate each student s grade point average.
(2) Calculate the average score for each course.
The highest (3) Output average scores of students records.
(4) according to the average scores of students from high to low output transcript (school, math, English, computer scores and grade point average)