|
#include <stdio.h>
int k=0;
struct list
{
int num;
struct list *next;
};
struct student
{
int ID_student;
int grade[6];
struct student *next;
};
typedef struct student student;
student *headpo=NULL;
student *lastpo=NULL;
void AddGread (int grd[],int numofstudent,int i)
{
char name[10];
int t=0;
student *list;
if ((list=(struct student *)malloc(sizeof(struct student)))== NULL)
{
printf("error");
exit (42);
}
list->next=NULL;
list->ID_student=numofstudent+1;
for(t=0;t<i;t++)
{
list->grade[t]=grd[t];
}
if (headpo==NULL)
headpo=list;
else
lastpo->next=list;
lastpo=list;
list=list->next;
}
void PrintToFile()
{
int i=0,z=0;
student *tmp=headpo;
FILE *fp;
fp = fopen("save.txt","w+");
if (fp==NULL)
{
printf ("the file can't be open\n");
exit(42);
}
fprintf(fp,"the grades of the students \n");
printf("the grades of the students \n");
while (tmp!=NULL)
{
fprintf(fp,"student number %d -> ",tmp->ID_student);
printf("student number %d -> ",tmp->ID_student);
for (z=0;(tmp->grade[z]>0);z++)
{
fprintf (fp,"%d ",tmp->grade[z]);
printf ("%d ",tmp->grade[z]);
}
if (tmp->grade[z]<0)
{
fprintf(fp,"\n");
printf("\n");
}
tmp=tmp->next;
}
}
void main()
{
int ziun[6]={0},num=0,i=0;
while (num==0)
{
i=0;
k=0;
printf ("select your wish\n");
printf ("1) To add greads for the students\n");
printf ("2) To print to file all the data\n");
printf ("0) To exit\n");
scanf ("%d",&num);
if (num==1)
{
while (k<6)
{
i=0;
while (i<6 || ziun[i]==-1)
{
if (k==5)
printf("enter the greads of student number %d the last one. (-1 to exit) -> ",k+1);
else
printf("enter the greads of student number %d the %d grade. (-1 to next) -> ",k+1,i+1);
scanf("%d",&ziun[i]);
if (ziun[0]!=-1)
{
if (ziun[i]==-1 || (i==6))
{
AddGread(&ziun,k,i);
break;
}
}
else
{
i=6;
k=6;
}
i++;
}
k++;
}
num=0;
}
else if (num==2)
{
PrintToFile();
num=0;
}
else if (num==0)
exit(2);
}
printf("good bay\n");
}
|
נושאים פעילים
רשימת משתמשים
חיפוש
עזרה
הרשמה
התחברות
UnderWarrior Forums : 
תיכנות
