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When option 1 is selected, if there is no customer in the line, give some warning such as there is no customer for now. Otherwise, print the name of the first customer in the line and remove it from the line.

Super Stag answered on September 15, 2022 Popularity 2/10 Helpfulness 4/10

answer When option 1 is selected, if there is no customer in the line, give some warning such as there is no customer for now. Otherwise, print the name of the first customer in the line and remove it from the line.

When option 1 is selected, if there is no customer in the line, give some warning such as there is no customer for now. Otherwise, print the name of the first customer in the line and remove it from the line.

Comment

#include <iostream>
#include <cstring>
using namespace std;

//create structure to hold customer name and link
struct node   
{  
    string customerName;   
    struct node *next;   
};  

//declare two pointer variables 

class Customer
{
        struct node *ptrF, *ptrR;  
    //function to add customer
    public:
        Customer()
        {
            ptrF = ptrR = NULL;
        }
        
        void addCustomer()
        {  
            struct node *ptr;  
            string item;   
            //dyamic allocation of the size  
            ptr = new node;  
          //ask the user to read customer name 
            cout<<endl<<"Enter Customer name: ";  
            cin>>item;  
            ptr -> customerName = item;  
            //if the front is null then add to font 
            if(ptrF == NULL)  
            {  
                ptrF = ptrR = ptr;
                ptrF -> next = ptrR -> next = NULL;  
            }  
            else   //otherwise add customer name to the next
            {  
                ptrR->next = ptr;  
                ptrR = ptr;  
                ptrR->next = NULL;  
            }  
             
        }     
        
        //this function prints the first customer 
        void callCustomer()  
        {  
            struct node *ptr;  
            //check if the line is empty or not
            ptr = new node;
            if(ptrF == NULL)  
                //if it is emptu print the message 
                cout<<"There is no Customer for Now\n";  
            else   //otherwise print the first customer
            {  
                ptr = ptrF;  
                cout<<"First customer is: "<< ptr->customerName<<endl;
                ptrF = ptrF -> next;  //removes that customer
                //frees from the line
                delete ptr;
            }  
        }  
};

int main()  
{  
    
    int choice;   
    Customer C;
    while(choice != 3)   
    {     
        //create menu based system
        cout<<"\n******** Welcome to Virtual line system ************\n\n";  
        cout<<"1. Call a customer\n";
        cout<<"2. Add a customer\n";  
        cout<<"3. Quit\n";  
        cout<<"Enter option: ";
        
        //read the choice
        cin>>choice;  
        switch(choice)  
        {  
            case 1:  //if the option is 1 then call the customer
                C.callCustomer();  
                break;  
            
            case 2:  //add the customer to the line
                C.addCustomer();  
                break;  
    
            case 3:  //exit if the user enters 3
                cout<<"Quitting!!";
                exit(0);  
                break;  
            
            default:   
                cout<<"Invalid choice\n";  
        }  
    }  
    return 0;
}

Popularity 2/10 Helpfulness 4/10 Language cpp

Source: www.studocu.com

Tags: c++ line when

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Contributed on Sep 15 2022

Super Stag

0 Answers Avg Quality 2/10

When option 1 is selected, if there is no customer in the line, give some warning such as there is no customer for now. Otherwise, print the name of the first customer in the line and remove it from the line.

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When option 1 is selected, if there is no customer in the line, give some warning such as there is no customer for now. Otherwise, print the name of the first customer in the line and remove it from the line.

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