Code:
#include<iostream.h>
#include<conio.h>
#include<string.h>
#include<stdlib.h>
#define MAXPATIENTS 100
struct patient
{
char firstname[50];
char lastname[50];
char id[20];
};
class queue
{
public:
queue(void);
int addpatientatend(patient p);
int addpatientatbeginning(patient