#include<stdio.h>
#include<conio.h>
#include<iostream.h>
struct stu
{
char reg[30];
char name[30];
float marks;
struct stu *next;
};
int choice=0,srn; struct stu *current,*p,*first,*last;char key[30];
void input (void);
void insert_end (void);
void del_start (void);
void display (void);
void main ()
{
first=NULL;
last=NULL;
clrscr();
while (choice!=4)
{
clrscr();
cout<<"\n\t\tImplementing QUEUE in student information system.\n\n\nEnter
one of the following options:\n\n\t\t- To ENQUEUE a node press:\t1\n\t\t-
- To DEQUEUE a node press:\t2\n\t\t- To display the QUEUE:\t\t3\n\t\t- To
Exit press:\t\t\t4\n";
cin>>choice;
switch(choice)
{
case 1: /*To ENQUEUE New Data*/
insert_end(); getch();
break;
case 2: /*To DEQUEUE DATA*/
del_start(); getch();
break;
case 3: /*To Display*/
display(); getch();
break;
default:
cout<<"\nYou entered the WRONG choice!! Enter again\n";
}
}
}
void input (void)
{
current=new stu;
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