Introduction - If you have any usage issues, please Google them yourself
Achievements of a class ( the class up to more than 30 people ) students in a course , input from the keyboard when entering grades negative input end , respectively, the following functions :
(1) statistics fail and print the number of failing students to list
(2) the statistical results on the class average and the average per number of students , and print a list of these students
(3) the statistics of the fraction of the number of students and percentages .
Note : results will be divided into six scores paragraph , paragraph 0 below 60 points , 60 to 69 1 70 79 2 80 89 3 90 99 4 100 paragraph 5 .