Hello!!! I am a beginner to C++ and linked list and searching algorithm really made me confused. There are 26 errors (which caused by pointer ofc). Can anyone give me idea how to fix these errors???
#include<string>
#include<cstdlib>
#include<iostream>
#include<malloc.h>
#include<fstream>
#include<time.h>
#include<conio.h>
using namespace std;
#define SIZE 10
class node
{
public:
struct nodeL
{
nodeL *next;
};
int data;
node *link,*customer;
string car;
double cost;
double millageL,millageM;
double condition;
int distance;
int millage;
node *next;
node *head;
char name,nationality;
int currency,number;//number is number of car rented
int r,f;
char info;
node *s;
struct nodes *next,*tempo;
};
class DataList
{
public:
void insertionsort()
{
string list;
int notinorder,location,amount;
char tempo;
for(notinorder = 1; notinorder<amount;notinorder++)
if(list[notinorder]<list[notinorder - 1])
{
tempo = list[notinorder];
location = notinorder;
do
{
list[location]= list[location-1];
location--;
}
while(location > 0 && list[location - 1]>tempo);
list[location]=tempo;
}
}
void print_list()
{
char array[5];
cout<<"Use Insertion Sorting : \n";
int w;
for(w=0;w<SIZE;w++)
cout<<" "<<array[w];
cout<<"\n";
}
};
class Stack
{
node *top;
int k;
public:
Stack()
{
top=NULL;
}
bool isEmpty() const
{
return(top==NULL);
}
bool isFull() const
{
return false;
}
void initializeStack()
{
node *b;
while(top!=NULL)
{
b= top;
top = top->link;
delete b;//deallocate memory
}
}
void push(int D1)
{
node *t;
t=new node;
t->info=D1;
t->link=top;
top=t;
}
void pop()
{
node *t;
if(top!=NULL)
{
cout<<"Stack is underflow";
t=top;
top = top->link;
delete t;
}
else
{
cout<<"Stack is empty! Cannot remove element.\n";
}
}
void display()
{
node *t=top;
while(t!=NULL)
{
cout<<t->r<<"\n";
t=t->next;
}
}
int empty()
{
if(top==NULL)
{
return 1;
}
else
{
return 0;
}
}
};
class customer
{
private:
int calculate;
public:
int nationality()
{
cout<<" Nationality ; \n Malaysia \n Brunei Darussalam \n Australia \n Bangladesh \n Others \n";
cout<<" Please enter your nationality : \n";
cin>>nationality;
}
int nationality_currency()
{
int currency=1;
double malaysia=1;
double brunei_darussala=2.30;
double australia=2;
double bangladesh=3;
double others=4;
cout<<"The currency is"<<currency;
}
};
class Vehicle
{
public:
string car;
double cost;
double millageL, millageM;
double condition;
};
class TypeOfVehicle : public Vehicle
{
void test();
}
microcar[SIZE], saloon[SIZE], multipurpose[SIZE], motorcycle[SIZE];
void TypeOfVehicle::test()
{
microcar[0].car = "BMW 600";
microcar[0].cost = 80.00;
//microcar[0].millageL = 86.00;
//microcar[0].millageM = 120.00;
saloon[0].car = "AUDI A6";
saloon[0].cost = 120.00;
saloon[0].millageL = 144.00;
saloon[0].millageM = 180.00;
multipurpose[0].car = "ALZA";
multipurpose[0].cost = 180.00;
multipurpose[0].millageL = 216.00;
multipurpose[0].millageM = 270.00;
motorcycle[0].car = "YAMAHA RXZ";
motorcycle[0].cost = 20.00;
motorcycle[0].millageL = 24.00;
motorcycle[0].millageM = 30.00;
}
class rent
{
private:
char car;
int millage;
public:
rent()
{
car;
millage = 0;
}
rent(char c, int m, int p)
{
car = c;
millage = m;
}
void setData(char c, int m)
{
car = c;
millage = m;
}
void getData()
{
cout<<"Car type"<<car<<endl;
cout<<"Milleage"<<millage<<endl;
}
void price()
{
int choice;
cout<<"Total price : "<<millage;
}
};
class listing
{
private :
node *first;
public :
listing()
{
node *first;
first = NULL;
}
~listing()
{
node *next;
node *first;
while(first)
{
next = first->link;
delete first;
first= next;
}
}
void menuFirst();
int menuNext();
void createList();
void deletion();
void insertion();
void editList();
void search();
void calculate();
void rental_receipt();
void rental_report();
void display();
void exit();
};
void listing::menuFirst()
{
int k = 1;
cout << "\n--------------------------------------------------------------------------------\n";
cout << "\t\t WELCOME TO KENYALANG CAR RENTAL CENTRE!!\n";
cout << "\n--------------------------------------------------------------------------------\n";
cout << "\n\t\t\t\tTHE VEHICLES\n";
cout << "\n--------------------------------------------------------------------------------\n";
cout << "\n\tGROUP\tTYPE\t\tPRICE(RM)\tTYPE\n";
cout << "\n--------------------------------------------------------------------------------\n";
cout << " \n\tA\tMICROCAR\t80.00\t BMW 600\n";
cout << " \n\tB\tSALOON CAR\t120.00\t AUDI A6\n";
cout << " \n\tC\tMULTIPURPOSE\t180.00\t ALZA\n";
cout << " \n\tD\tMOTORCYCLE\t20.00\t YAMAHA RXZ\n";
cout << "\n--------------------------------------------------------------------------------\n";
cout << "\n\t\t\t\tCONDITIONS\n\n";
cout << "\n--------------------------------------------------------------------------------\n";
cout << " - more than 300km\t\t: 50% is charged\n\n - less than 300km\t\t: 20% is charged\n";
cout << " \n - Multipurpose car with TV\t: + RM 15.00\n\n - Regular customer(3 times)\t: 10% discount\n\n";
cout <<"\n\n Press 1 to proceed: ";
cin >> k;
system ("cls");
}
int listing::menuNext()
{
int option;
cout<< "\n\nMAIN MENU\n";
cout << "\n=============\n";
cout<< "\n1. CREATE\n2. INSERTION\n3. DELETION\n4. PRINT LIST\n5. Rental Receipt\n6.EXIT ";
cout<< "\n\nEnter one of the option\t: ";
cin>>option;
switch(option)
{
case 1:
createList();
break;
case 2:
insertion();
break;
case 3:
deletion();
break;
case 4:
display();
break;
case 5:
rental_receipt();
break;
}
return 0;
}
void listing::createList()
{
string name;
int numberQ;
char car;
int s;
int count = 0;
int a;
node *cur, *ptr;
cout <<"\n====================\n\n";
cout << "Enter the following information :\n";
cout << "\nCustomer name\t=\t ";
cin >> name;
cout << "\nQueue\t\t=\t ";
for ( numberQ = 0; numberQ < 1; numberQ++)
{
cout << numberQ + 1 << " / 2015\n";
}
cout << "\nCar Group\t=\t ";
cin >> car ;
cout<< endl;
double total;
char condition;
switch (car){
case 'A' : microcar[0].car = "BMW 600 ";
microcar[0].cost = 80.00;
cout << "Car Model\t=\t "<< microcar[0].car << endl;
cout << "\nTotal distance\t=\t ";
cin >> s;
if (s <= 350)
{
total = 80.00*0.2;
microcar[0].cost = microcar[0].cost + total;
std::cout<< "\nTotal Millage\t=\t RM "<<microcar[0].cost << ".00\n";
}
else
{
total = 80.00*0.5;
microcar[0].cost = microcar[0].cost + total;
std::cout<< "Total Millage\t=\t RM "<<microcar[0].cost << ".00\n";
}
break;
case 'B' : saloon[0].car = "AUDI A6 ";
saloon[0].cost = 120.00;
cout << "Car Model\t=\t "<< saloon[0].car << endl;
cout << "\nTotal distance\t=\t ";
cin >> s;
if (s <= 350)
{
total = 120.00*0.2;
saloon[0].cost = saloon[0].cost + total;
std::cout<< "\nTotal Millage\t=\t RM "<<saloon[0].cost << ".00\n";
}
else
{
total = 120.00*0.5;
saloon[0].cost = saloon[0].cost + total;
std::cout<< "Total Millage\t=\t RM "<<saloon[0].cost << ".00\n";
}
break;
case 'C' : multipurpose[0].car = "ALZA ";
multipurpose[0].cost = 180.00;
cout << "Car Model\t=\t "<< multipurpose[0].car << endl;
cout << "\nTotal distance\t=\t ";
cin >> s;
if (s <= 350)
{
total = 180.00*0.2;
multipurpose[0].cost = multipurpose[0].cost + total;
std::cout<< "\nTotal Millage\t=\t RM "<<multipurpose[0].cost << ".00 (without condition)\n";
cout << "\nIncludes TV(Y/N) =\t ";
cin>>condition;
{
if ( condition == 'Y' )
{
multipurpose[0].cost = multipurpose[0].cost + 15 - 36;
}
else if ( condition == 'N')
{
std::cout<< "\nTotal Millage=\t RM "<<multipurpose[0].cost << ".00\n";
}
else
std::cout<< "\nTotal Millage\t=\t RM "<<multipurpose[0].cost << ".00\n";
}
} //ENDIF
else if ( s > 450 )
{
total = 180.00*0.5;
multipurpose[0].cost = multipurpose[0].cost + total;
std::cout<< "\nTotal Millage\t=\t RM "<<multipurpose[0].cost << ".00 (without condition)\n";
cout << "\nIncludes TV(Y/N) =\t ";
cin>>condition;
{
if ( condition == 'Y' )
{
multipurpose[0].cost = multipurpose[0].cost + 15;
}
else if ( condition == 'N')
std::cout<< "\nTotal Millage=\t RM "<<multipurpose[0].cost << ".00\n";
}
std::cout<< "T\n Total Millage\t=\t RM "<<multipurpose[0].cost << ".00\n";
// END ELSE
}
break;
case 'D' : motorcycle[0].car = "YAMAHA RXZ ";
motorcycle[0].cost = 20.00;
cout << "Car Model\t=\t "<<motorcycle[0].car << endl;
cout << "\nTotal distance\t=\t ";
cin >> s;
if (s <= 350)
{
total = 20.00*0.2;
motorcycle[0].cost = motorcycle[0].cost + total;
std::cout<< "\nTotal Millage\t=\t RM "<<motorcycle[0].cost << ".00\n";
}
else
{
total = 20.00*0.5;
motorcycle[0].cost = motorcycle[0].cost + total;
std::cout<< "Total Millage\t=\t RM "<<motorcycle[0].cost << ".00\n";
}
break;
}
cout<<"Enter 0 to return to Main Menu :";
cin>> a;
while(a)
{
cur = new node;
cur -> data = a;
cur->link = NULL;
if(first==NULL)
first=cur;
else
ptr->link=cur;
ptr=cur;
cout<<"Enter 0 to return to Main Menu :";
cin>> a;
}
system ("PAUSE");
menuNext();
}
void listing::insertion()
{
node *cur, *ptr;
int ele;
int x;
ptr = first;
cur =new node;
cout<<"\n Enter data of new node : ";
cin >> cur->data;
cur -> link = NULL;
cout << "Do you want to add at beginning [ 1 for Yes / 0 for No] :"<< endl; // problem
cin>> x;
if (x==1)
{
cur->link=first;
first= cur;
}
else
{
cout<< "\nPlese specify after which element you want to delete: ";
cin>> ele;
while (ptr != NULL)
{
if (ptr-> data ==ele)
{
cur -> link = ptr->link;
ptr->link= cur;
break;
}
else
{
ptr = ptr-> link;
}
}
}
menuNext();
}
void listing:: deletion()
{
int ele;
char ch;
node *ptr, *ptr1;
if (first==NULL)
{
cout<< "LIST IS EMPTY\n";
}
else
{
ptr = first;
cout << "Delete the first element? [y/n] : ";
cin >> ch;
if (ch == 'Y' || ch == 'y')
{
first= first -> link;
delete ptr;
}
else
{
cout<<"\n Specify which element u want to delete : ";
cin >> ele;
while (ptr != NULL)
{
if (ptr-> link-> data ==ele)
{
ptr1=ptr->link;
ptr->link = ptr1-> link;
delete ptr1;
return;
}
else
{
ptr=ptr->link;
}
}
}
}
menuNext();
}
void listing::search()
{
search();
{
node *head;
head=new node;
}
void build(struct nodes**,int);
{
struct nodes *head=NULL;
int r,num;
struct nodes *tempo;
for(r=0;r<num;r++)
{
tempo=(struct nodes *)malloc(sizeof(struct nodes));
tempo->s = rand()/num;
if(head==NULL)
{
head=tempo;
tempo->next=NULL;
}
else
{
tempo->next=head;
head=tempo;
}
cout<<" "<<tempo->s;
}
}
void search(struct nodes*,int);
{
int key;
struct nodes *head=NULL;
while (head!=NULL)
{
if(head->s == key)
{
cout<<"Found the key!\n";
return;
}
head=head->next;
}
cout<<" Could not find the key!\n";
}
void dlte(struct nodes **);
{
struct nodes *head=NULL;
struct nodes *tempo;
while(head!=NULL)
{
tempo=*head;
*head=(*head)->next;
free(tempo);
}
}
}
void listing::calculate()
{
int calculation;
int millage;
int distance;
calculation = millage*distance;
cout<<"Your distance is "<<distance<<endl;
cout<<"Your millage is "<<millage<<endl;
cout<<"Your total is "<<calculation<<endl;
}
void listing::display()
{
node *ptr;
if (first==NULL)
{
cout<<"List is empty.\n";
}
else
{
ptr = first;
while (ptr != NULL)
{
ptr = ptr-> link;
cout<<"Car Type : "<<ptr->car<<endl;
cout<<"Distance : "<<ptr->distance<<endl;
cout<<"Price : "<<ptr->cost<<endl;
ptr = ptr-> link;
}
}
menuNext();
}
void listing::rental_receipt() //Function to print receipt
{
int choice, count = 1, count1 = 1;
char car[10];
char day,name,nationality;
int currency;
node *head;
head = first;
cout << "Enter Name to print Receipt: " << endl;
cin >> name;
cin>>choice;
cout << " " << endl;
while (head != NULL && head->name != choice)
{
count++;
*head = head->next;
}
if (head == NULL)
{
cout << "\t\t ***Receipt on Kenyalang Car Rental Centre***\n" << endl;
cout << "Customer's Name: \n" << head->name;
cout<<"Nationality : \n"<<head->nationality;
cout<<"Currency : \n"<<head->currency;
cout << "___________________________________________________________________" << endl;
cout << "Car Type\tCost\tDistance\tMillage\t" << endl;
cout << "___________________________________________________________________" << endl;
cout << head->car << "\t\t" << head->cost << "\t\t " << head->distance << "\t\t" << head->millage << endl;
head = head->next;
while (head != NULL && head->name == choice && count1<4)
{
cout << head->car << "\t\t" << head->cost << "\t\t " << head->distance << "\t\t" << head->millage << endl;
count1++;
head = head->next;
}
}
else
{
cout << "Error. Enter a valid name." << endl;
}
getchar();
system("PAUSE");
menuNext();
}
void listing::rental_report()//report for the day
{
node *report;
report = first;
int sum_car_rented=0,sum1=1;
int number=0,total_car=0;
char day[10];
_strdate_s(day);
total_car=total_car + report->number;
cout<<"\t\t ***Receipt on Kenyalang Car Rental Centre***\n" << endl;
cout<<"\t\t Daily Summary Report \n";
cout<<"\t\t Date: \n"<<day;
cout<<"---------------------------------------------------------\n";
cout<<"No. \t\t Customer Name \t\t Car \t\t Total \t\t \n";
cout<<"---------------------------------------------------------\n";
if(total_car>50)
cout<<sum1<<"\t\t Car \t\t"<<total_car<<"Overtime \n";
else
cout<<sum1<<"\t\t Car \t\t"<<total_car<<"Overtime \n";
number=total_car;
sum_car_rented=total_car-25;
cout<<"------------------------------------------------------\n";
cout<<"\t\t Total Car Rented : "<<number<<endl;
cout<<"\t\t Total Car Overtime : "<<sum_car_rented<<endl;
}
int main()
{
char n;
listing menu;
menu.menuFirst();
int m;
char array[50];
insertionsort(array,50);
struct nodes *head=NULL;
int num,key;
bool run = true;
do
{
cout<< "\n\nPLEASE USE CAPSLOCK THROUGHOUT THE WHOLE SESSION\n\n";
menu.menuNext();
std::cin>> n;
}while(n>4);
Stack stck;
int D1,ch;
cout<<"Press 1 to push \n Press 2 to pop \n Press 3 to display \n Press 4 to exit";
cin>>ch;
switch(ch)
{
case 1: cout<<"Enter the data : ";
cin>>ch;
stck.push(ch);
break;
case 2: cout<<"Deleted the \n"<< stck.pop();
stck.display();
break;
case 3: stck.display();
break;
case 4: exit(0);
}
cout<<"Enter number of nodes : ";
cin>>num;
cout<<"Display list \n";
build(head,num);
cout<<"Enter search key : ";
cin>>key;
search(head,key);
search *head=new head();
delete head;//head:~head()
getchar();
system("PAUSE");
return 0;
}
