#include<stdio.h>
#include<conio.h>
# define size 10
void endque(struct queue *q);
void deque(struct queue *q);
void display(struct queue q);
struct queue
{
int f;
int r;
int arr[size];
};
void main()
{
struct queue q;
int choice,ch;
q.f=-1;
q.r=-1;
do
{
printf("\n1.make the queue");
printf("\n2.delete the element from queue");
printf("\n3.diplay queue");
printf("\n\n\nenter your choice :: ");
scanf("%d",&choice);
switch(choice)
{
case 1:
endque(&q);
break;
case 2:
deque(&q);
break;
case 3:
display(q);
break;
default:
printf("invalid choice");
break;
}
printf("\n\ndo you want to continue so enter(1) :: ");
scanf("%d",&ch);
}while(ch==1);
getch();
}
void endque(struct queue *q)
{
int val;
printf("\n enter value = ");
scanf("%d",&val);
if(q->r==size-1)
{
printf("\n queue is full");
}
else if(q->f==-1 && q->r==-1)
{
q->f++;
q->r++;
q->arr[q->r]=val;
}
else
{
q->r++;
q->arr[q->r]=val;
}
}
void display(struct queue q)
{
int temp;
temp=q.f;
if(q.f==-1 || q.r==-1 || q.f>q.r)
{
printf("\n queue is empty");
}
else
{
printf("\n");
while(temp<=q.r)
{
printf(" %d ",q.arr[temp]);
temp++;
}
}
}
void deque(struct queue *q)
{
if(q->f==-1 && q->r==-1)
{
printf("\n queue empty");
}
else
{
if(q->f>q->r)
{
printf("\n queue empty");
q->f=-1;
q->r=-1;
}
else
{
printf("\n deleted element is :: %d",q->arr[q->f]);
q->f++;
}
}
}
***********************************************************************************************************************
------------------------------------------------------------------------
output
------------------------------------------------------------------------
1.make the queue
2.delete the element from queue
3.diplay queue
enter your choice :: 1
enter value = 10
do you want to continue so enter(1) :: 1
1.make the queue
2.delete the element from queue
3.diplay queue
enter your choice :: 1
enter value = 15
do you want to continue so enter(1) :: 1
1.make the queue
2.delete the element from queue
3.diplay queue
enter your choice :: 1
enter value = 25
do you want to continue so enter(1) :: 1
1.make the queue
2.delete the element from queue
3.diplay queue
enter your choice :: 3
10 15 25
do you want to continue so enter(1) :: 1
1.make the queue
2.delete the element from queue
3.diplay queue
enter your choice :: 2
deleted element is :: 10
do you want to continue so enter(1) :: 1
1.make the queue
2.delete the element from queue
3.diplay queue
enter your choice :: 2
deleted element is :: 15
do you want to continue so enter(1) :: 1
1.make the queue
2.delete the element from queue
3.diplay queue
enter your choice :: 2
deleted element is :: 25
do you want to continue so enter(1) :: 1
1.make the queue
2.delete the element from queue
3.diplay queue
enter your choice :: 2
queue empty
do you want to continue so enter(1) :: 1
1.make the queue
2.delete the element from queue
3.diplay queue
enter your choice :: 3
queue is empty
do you want to continue so enter(1) :: 1
1.make the queue
2.delete the element from queue
3.diplay queue
enter your choice :: 10
invalid choice
do you want to continue so enter(1) :: 1
1.make the queue
2.delete the element from queue
3.diplay queue
enter your choice :: 1
enter value = 10
do you want to continue so enter(1) :: 1
1.make the queue
2.delete the element from queue
3.diplay queue
enter your choice :: 1
enter value = 20
do you want to continue so enter(1) :: 1
1.make the queue
2.delete the element from queue
3.diplay queue
enter your choice :: 1
enter value = 30
do you want to continue so enter(1) :: 1
1.make the queue
2.delete the element from queue
3.diplay queue
enter your choice :: 1
enter value = 40
do you want to continue so enter(1) :: 1
1.make the queue
2.delete the element from queue
3.diplay queue
enter your choice :: 1
enter value = 50
do you want to continue so enter(1) :: 1
1.make the queue
2.delete the element from queue
3.diplay queue
enter your choice :: 1
enter value = 60
do you want to continue so enter(1) :: 1
1.make the queue
2.delete the element from queue
3.diplay queue
enter your choice :: 1
enter value = 70
do you want to continue so enter(1) :: 1
1.make the queue
2.delete the element from queue
3.diplay queue
enter your choice :: 1
enter value = 80
do you want to continue so enter(1) :: 1
1.make the queue
2.delete the element from queue
3.diplay queue
enter your choice :: 1
enter value = 90
do you want to continue so enter(1) :: 1
1.make the queue
2.delete the element from queue
3.diplay queue
enter your choice :: 1
enter value = 11
do you want to continue so enter(1) :: 1
1.make the queue
2.delete the element from queue
3.diplay queue
enter your choice :: 1
enter value = 12
queue is full
do you want to continue so enter(1) ::
Hi. I’m Designer of Blog Magic. I’m CEO/Founder of ThemeXpose. I’m Creative Art Director, Web Designer, UI/UX Designer, Interaction Designer, Industrial Designer, Web Developer, Business Enthusiast, StartUp Enthusiast, Speaker, Writer and Photographer. Inspired to make things looks better.
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