#include<stdio.h>
const int SIZE = 10;
int qData[10];
int front = 0,rear = -1;
int qInsert(int number);
int qDelete();
void display();

int main(){
    int option = 0,number;

    while(1){
        printf("Enter 1 to insert, 2 to delete, 3 to display\n");
        scanf("%d",&option);
        if(option==1){
            printf("Enter number to insert\n");
            scanf("%d",&number);
            printf("\n%d has been inserted\n",qInsert(number));
        }else if(option == 2){
            printf("%d has been removed from the queue\n",qDelete());
        }else if(option == 3){
            display();
        }else if(option == 4){
            break;
        }
    }
return 0;
}
void display(){

}
int qDelete(){
    if(front == -1){
        printf("Cannot Dequeue any more, Queue is empty\n");
    }
    else{
        int temp = 0;
        temp = qData[front];
        front++;
        return temp;
    }
}
int qInsert(int number){
    if(rear == SIZE){
        printf("Cannot enqueue any more, Queue is Full\n");
    }
    else{
        rear++;
        qData[rear] = number;
        return number;
        }
}