Circular queue

#include<stdio.h>
#include<conio.h>
#define SIZE 10

void enQueue(int);
void deQueue();
void display();

int cQueue[SIZE], front = -1, rear = -1;

void main()
{
   int choice, value;
   printf("**** Crazy Coders**** \n");

   while(1)
    {
      printf("\n****** MENU ******\n");
      printf("1. Insert\n2. Delete\n3. Display\n4. Exit\n");
      printf("Enter your choice: ");
      scanf("%d",&choice);
      switch(choice)
      {
            case 1:
                printf("\nEnter the value to be insert:  ");
                scanf("%d",&value);
                enQueue(value);
                break;
            case 2:
                deQueue();
                break;
            case 3:
                display();
                break;
            case 4:
                exit(0);
default: printf("\nPlease select the correct choice!!!\n");
      }
   }
}
void enQueue(int value)
{
   if((front == 0 && rear == SIZE - 1) || (front == rear+1))
      printf("\nCircular Queue is Full! Insertion not possible!!!\n");
   else{
      if(rear == SIZE-1 && front != 0)
rear = -1;
      cQueue[++rear] = value;
      printf("\nInsertion Success!!!\n");
      if(front == -1)
front = 0;
   }
}
void deQueue()
{
   if(front == -1 && rear == -1)
      printf("\nCircular Queue is Empty! Deletion is not possible!!!\n");
   else{
      printf("\nDeleted element : %d\n",cQueue[front++]);
      if(front == SIZE)
front = 0;
      if(front-1 == rear)
front = rear = -1;
   }
}
void display()
{
   if(front == -1)
      printf("\nCircular Queue is Empty!!!\n");
   else{
      int i = front;
      printf("\nCircular Queue Elements are : \n");
      if(front <= rear){
while(i <= rear)
    printf("%d\t",cQueue[i++]);
      }
      else{
while(i <= SIZE - 1)
    printf("%d\t", cQueue[i++]);
i = 0;
while(i <= rear)
    printf("%d\t",cQueue[i++]);
      }
   }
}

OUTPUT :-

For Other Programs Visit The WebSite:-   https://www.techapurba.com/

Follow Me On Social Media :-

Instagram link :- https://www.instagram.com/apurba_khanra/

INSTA photography page :- https://www.instagram.com/photo_mania_hub/

Twitter link : - https://twitter.com/ApurbaKhanra199

Facebook page link (Crazy Coders) :-https://www.facebook.com/codercrazy/?modal=admin_todo_tour

Insta photography link :- https://www.instagram.com/photo_mania_hub/

Facebook link :- https://www.facebook.com/profile.php?id=100009747586288

FB photography page :-  https://www.facebook.com/photomaniahub/?modal=admin_todo_tour

For tech related videos visit my other website :- https://apurbatechinfo.blogspot.com/