按照学号的顺序输入20个学生的成绩及（0~100）存入一维数组SCORE，然后统计每个学生的名次并在屏幕输出。(In accordance with the number of students enter the order of 20 students' results and (0~100) into a one-dimensional array of SCORE, and then statistics of each student's ranking and output on t

实现学生成绩等信息的统计和计算,进行平均数，分数段的统计等(achieve statistics and calculation of students' grades and other information)

The statistics, sorting, input, output, mean value, maximum value, and passing rate of student information