PROGRAM QUEU DENGAN FUNGSI DALAM BAHASA C

PROGRAM QUEU DENGAN FUNGSI

#include "stdio.h"

#include "stdlib.h"

#define MAX 5

//tugas yogi

int queue[MAX];

int front = -1;

int rear = -1;

main() {

intpil;

while(1){

printf("\n+-------------------+\n");

printf("|       Menu        |\n");

printf("+-------------------+\n");

printf("| 1. Insert Queue   |\n");

printf("| 2. Delete Queue   |\n");

printf("| 3. Display Queue  |\n");

printf("| 4. Exit           |\n");

printf("+-------------------+\n");

printf("MasukkanPilihan : ");

scanf("%d", &pil);

switch(pil){

case 1 :

insert();

break;

case 2 :

del();

break;

case 3 :

display();

break;

case 4 :

exit(1);

break;

default :

printf("\nInput Salah !"); } } }

insert() {

int add;

if(rear==MAX-1){

printf("Queue Overflow !!!\n");}

else {

if(front==-1)

front = 0;

printf("MasukkanNilaiElemen Queue : ");

scanf("%d",&add);

rear=rear+1;

queue[rear] = add; } }

getch();

del() {

if (front==-1 || front > rear) {

printf("Queue Underflow \n");

return;

  } else {

printf("Element Queue yang di Delete adalah : %d \n", queue[front]);

front=front+1;

getch(); } }

display() {

int i;

if (front == -1){

printf("Queue kosong\n");

}else {

printf("Nilai Element Queue Adalah : ");

for(i=front;i<=rear;i++){

printf("%d",queue[i]);

printf(" ");} }

getch(); }

//tugas yogi