Write a Program To Perform INSERT & DELETE Operation on the “Queue”.

Write a Program To Perform INSERT & DELETE Operation on the “Queue”.

SOURCE CODE:

#include
#include
#include
int front=0,rear=0;
int i;
int QUEUE[5];
int item;
void main()
{
int opt;
int q=0;
clrscr();
printf("\nThis Program is Used to Perform INSERT & DELETE Operation on Queue");
printf("\n\n\tMain Menu.....");
printf("\n\n\t1.Insertion");
printf("\n\n\t2.Deletion");
printf("\n\n\t3.Displaying");
printf("\n\n\t4.Exit");
do
{
printf("\n\n\tEnter Your choice 1-4:");
scanf("%d",&opt);
switch(opt)
{
case 1:
printf("\n\tEnter the Element To be Inserted:");
scanf("%d",&item);
if(rear<5)
{
rear++;
QUEUE[rear]=item;
printf("\n\n\tElement Inserted");

if(front==0)
{
front=1;

rear=1;
}
}
else
{
printf("\nQueue Is Full,Insertion Not Possible");
}
break;
case 2:
if(front==0)
{
printf("\nQueue Is Empty,Deletion is Not Possible");
}
else
{
item=QUEUE[front];
printf("\n\tItem Deleted is %d ",item);
}

if(front==rear)
{
front=0;
rear=0;
}
else
front=front+1;
break;
case 3:
printf("\n\t\tQUEUE Is As:");
printf("\n\t");
for(i=front;i<=rear;i++)
{
printf("%3d",QUEUE[i]);
}

break;
case 4:
exit(1);
default:printf("\n\tWrong Choice,Enter Your Choice 1-4");

}
}while(q!=1);
getch();
}

OUTPUT

This program is used to perform INSERT AND DELETE operation on queque

Main menu.......
1. insertion
2.deletion
3.displaying
4.Exit

enter your choice 1-4:1
enter the element to be inserted:5

element inserted
enter your choice 1-4:1
enter the element to be inserted:7

Element Inserted
enter your choice 1-4:3
queue is as:
5 7
Enter your choice 1-4:2
item deleted is 5
Enter your choice 1-4:3
queque is as:
7
Enter your choice 1-4;_

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Write a Program To Perform INSERT & DELETE Operation on the “Queue”.

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