#include <stdio.h>
 
 
void main()
{
 
 int ssn[1000];
 int sex[1000];
 char name[1000][30];
 int Assignment_average[1000];
 int Quiz_Average[1000];
 int participation[1000];
 int Midterm[1000];
 int final[1000];
 int i,j,menu;
 int cnt=0;
 int tot[1000];
 
 double avr[1000]; 
 int score[1000];
 int best[1000];
 
printf("1.Print list of  students\n3.Print list of  those whom made an A grade\n4.Print list of  those  whom made an F grade\n5.Print list of  students sorted by name\n6.add student to the class list\n7.delete student from class list\n8.	quit",&menu )
scanf("%d",&menu);
 
switch(menu)
{
	case 1:
	case 2:
	case 3:
	case 4:
}	
 
 
  if(ssm[i]==-999) break;  //add students  
  printf("Input a Name! =");
  scanf("%s",&name[i]);
  printf("Input a Assignment_average=");
  scanf("%d",&Assignment_average[i]);
  printf("Input a Quiz_Average=");
  scanf("%d",&Quiz_Average[i]);
  printf("Input a participation=");
  scanf("%d",&participation[i]);
  printf("Input a Midterm=");
  scanf("%d",&Midterm[i]);
  printf("Input a final=");
  scanf("%d",&final[i]);
  cnt++;
    }
 
 
 
 for(i=0;i {
tot[i]=0.40*Assignment_average[i]+ Quiz_Average[i]*0.15+ participation[i]*0.10+Midterm[i]*0.15+ final[i]*0.20  avr[i]=tot[i]*100;
 }

printf("1.Print list of  students\n");
printf("3.Print list of  those whom made an A grade\n");
printf("4.Print list of  those  whom made an F grade\n");
printf("5.Print list of  students sorted by name\n");
printf("6.add student to the class list\n");
printf("7.delete student from class list\n");
printf("8.	quit\n");

switch (menuitem){
  case 1:
    // print list 
    break;
  case 2:
    // print list of A students 
    break;
  ...
  ....
 
  default:
    break;
}

for(i=0;i {
tot[i]=0.40*Assignment_average[i]+ Quiz_Average[i]*0.15+ participation[i]*0.10+Midterm[i]*0.15+ final[i]*0.20  avr[i]=tot[i]*100;
 }

printf("Input a Name! =");
  scanf("%s",&name[i]);

scanf("%s",name[i]);