#include <stdio.h>
#include <stdlib.h>
#include <conio.h>
#define MAX 8
int queue_arr[MAX];
int rear = -1;
int front = -1;
insert()
{
int added_item;
if (rear == MAX - 1)
printf("Queue Overflow !! \n");
else
{
if (front == -1)
front = 0;
printf("Masukkan Elemen Kedalam Queue : ");
scanf("%d", &added_item);
rear = rear + 1;
queue_arr[rear] = added_item;
}
}
del()
{
if (front == -1 || front > rear)
{
printf("Queue Underflow\n");
return;
}
else
{
printf("Element deleted from queue is : %d\n", queue_arr[front]);
front = front + 1;
}
}
display()
{
int i;
if (front == -1)
printf("Queue kosong !\n");
else
{
printf("Queue : \n");
for (i = front; i <= rear; i++)
printf("%d ", queue_arr[i]);
printf("\n");
}
}
int main()
{
int choice;
while (1)
{
printf("\n\n");
printf("+===================+ \n");
printf("| Menu Utama | \n");
printf("+===================+ \n");
printf("| 1. Insert Queue | \n");
printf("| 2. Delete Queue | \n");
printf("| 3. Display Queue | \n");
printf("| 4. Quit | \n");
printf("+===================+ \n");
printf("Masukkan Pilihan : ");
scanf("%d", &choice);
printf("\n\n");
switch (choice)
{
case 1:
insert();
break;
case 2:
del();
break;
case 3:
display();
break;
case 4:
exit(1);
default:
printf("Salah Memasukkan Pilihan ! \n");
}
}
}
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