Introduction - If you have any usage issues, please Google them yourself
With the C programming language, the list is stored in a single structure, on a number of classes (in two classes for example) student achievement management, requirements to achieve the following functions:
(1) through a terminal or file a number of students enter the class number, student number, results, data from each class were stored in a different single chain, the data element stored by order of highest to lowest scores and then were sequentially (high to low) output each class of transcript.
(2) input classes, number and performance changes (such as+5,-3), at least 1 person on the results of each class were modified and still maintain the data in descending order by score and then were sequentially output of each class of transcript.
(3) the total number of each class are output, the highest score, lowest score, average