说明：   程序功能要求：程序运行后，接收一批（最多30个）从键盘录入的0-100之间的十进制格式的分数值，无数据直接回车时结束成绩录入。然后显示录入的总人数，总分，平均值（十进制整数格式），显示优秀，良好，中等，及格和不及格人数。 注：90以上优秀 80-90良好 70-80中等 60-70及格 60以下不及格
(The functional requirements of the procedure: The procedure to run after receiving a number of (up to 30) from the keyboard entry of 0-100 decimal format between the scores of the value of the direct return no data entry at the end of results. Then displays the total number of entry, total, average (decimal integer format), showing excellent, good, medium, the number of pass and fail. Note: more than 90 medium 70-80 good 80-90 excellent 60-70 pass 60 fail the following)