Mainly includes the following functions:
(1) entry student achievement
(2) the query student achievement (arbitrary input a student id, show the student's name and grades)
(3) the class average score
(4) statistical students fail situation
Need to store information:
(1) student student id,
(2) the student's name,
(3) scores,
Data structure
(1) student student id, one dimensional integer array can be used to store
(2) the student's name, 2 d character array can be used to store
(3) scores, one dimensional integer array can be used to store