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queue insert
58 lines (57 loc) · 899 Bytes
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queue insert
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void insertion()
{
if((rear==max-1 && front==0 ) || (rear==front-1))
{
printf("\nqueue is overflow\n");
return ;
}
if(front==-1)
{
rear=0;
front=0;
}
else if (front!=0 && rear==max-1)
rear=0; else
rear+=1;
printf("\nEnter the element:"); scanf("%d",&queue[rear]);
printf("\nInsertion successful\n");
}
void deletion()
{
inti; if(front==-1)
{
printf("\n queue is underflow\n");
return;
}
printf("\n %d is deleted successfully\n",queue[front]); if(front==rear)
{
front=-1; rear=-1;
}
else if (front==max-1)
{
front=0;
}
else
{
front+=1;
}
}
void display()
{
inti; if(front==-1)
{
printf("\n queue is empty\n");
return;
}
if(rear>=front)
{
for(i=front;i<=rear;i++)
printf("\n%d",queue[i]); }
else
{
for(i=front;i<=max-1;i++)
printf("\n%d ",queue[i]);
for (i=0;i<=rear;i++)
printf("\n%d",queue[i]);
}
}