c language关于array的题，请帮帮忙。 新手。

Bｅ_ΗaＰpY

Description:---------
Use the existing array of scoresand add a parallel array of floating-point data to track a GPA that corresponds to the score in the other array. Sort and print the set of parallel arrays first by score, highest to lowest, then by GPA, highest to lowest.

The inputs will be the number of pairs of entries (n) to be made, followed by n pairs of score & GPA.

Ex:
--  
Please enter number of scores (50 or less): 6  
Enter score 1 of 6: 75  
Enter   gpa 1 of 6: 3.25  
Enter score 2 of 6: 42  
Enter   gpa 2 of 6: 1.55  
Enter score 3 of 6: 88  
Enter   gpa 3 of 6: 3.75  
Enter score 4 of 6: 37  
Enter   gpa 4 of 6: 1.75  
Enter score 5 of 6: 99  
Enter   gpa 5 of 6: 4.0  
Enter score 6 of 6: 92  
Enter   gpa 6 of 6: 3.3  
In score order:   
Score   GPA     
99   4.00   
92   3.30     
88   3.75     
75   3.25     
42   1.55     
37   1.75           
In GPA order:   
GPA  Score      
4.00    99      
3.75    88   
3.30    92   
3.25    75   
1.75    37   
1.55    42
求code.