c++, I am having trouble getting my program to compile, any help would be appreciated. #include...
c++, I am having trouble getting my program to compile, any help would be appreciated.
#include <iostream>
#include <string>
#include <string.h>
#include <fstream>
#include <stdlib.h>
using namespace std;
struct record
{
char artist[50];
char title[50];
char year[50];
};
class CD
{
//private members declared
private:
string artist; //asks for string
string title; // asks for string
int yearReleased; //asks for integer
//public members declared
public:
CD();
CD(string,string,int);
void setArtist(string);
void setTitle(string);
void setYearReleased(int);
string getArtist() const;
string getTitle() const;
int getYearReleased() const;
};
CD::CD() : artist(""),title(""), yearReleased(0)
{}
CD::CD(string artist, string title, int yearReleased): artist(artist),title(title),yearReleased(yearReleased)
{}
void CD::setArtist(string artist)
//implicit paramater, qualify the name of the class members and make it visible again.
{
this->artist = artist;
}
void CD::setTitle( string title)
{
this->title = title;
}
void CD::setYearReleased(int yearReleased)
{
this->yearReleased = yearReleased;
}
string CD::getArtist() const
{
return artist;
}
string CD::getTitle() const
{
return title;
}
int CD::getYearReleased() const
{
return yearReleased;
}
void printMenu();
void displayTestCD();
void mathBreak();
void evenOdd();
void primeNumber();
bool isPrime(int);
bool isEven(int);
void readCollection();
void displayCollection();
int main()
{
int choice;
choice =0;
while(choice != 3)
{
//The menu and the lets the user input which menu they want to access, given the option between displaying the testCD, math break or quiting. if anything else is picked, invalid choie is displayed.
printMenu();
cin>>choice; //user input
switch(choice) //switch to give the menu different option
{
case 1: // display the testCD
readCollection();
break;
case 2:
displayCollection();
break;
case 3:
displayTestCD();
break;
case 4:
break;
case 5:
break;
case 6:
mathBreak();
break;
case 7:
break;
default: // if anything other than 1-3 is chosen, display invalid choice
cout<<"Invalid choice"<
}
}
return 0;
}
//void function for the menu and the cout statements for what will be displayed when the printMenu() function is accessed
// Records array.....
struct record rc[18];
ifstream ptr;
ptr.open("cd.txt");
if(!ptr)
{
cout<<"\nFile opening error\n";
exit(1);
}
void printMenu()
{
cout<<"1.Read Collection<<endl;
cout<<"2. Display Collection"<<endl;
cout<<"3. Sort Collection"<<endl;
cout<<"4. Find a CD"<<endl;
cout<<"5. Edit CD"<<endl;
cout<<"6. Math Break"<<endl;
cout<<"7. Quit"<<endl;
}
void displayTestCD()
{
//test CD
CD cd1;
cd1.setArtist("asdfa");
cd1.setTitle("adfasdf");
cd1.setYearReleased(2019);
cout<<" Artist : "<<endl;
cout<<" Title : "<<endl;
cout<<" Year Released : "<<endl;
}
void mathBreak()
{
int subChoice;
cout << endl << "1. Even or Odd" << endl;
cout << "2. Prime Number" << endl;
cout << "3. End my Math Break" << endl;
cout << "Enter your choice: ";
cin >> subChoice;
//anything other than 1,2,3 is invalid and will prompt the user to enter a valid choice
while(subChoice < 1 || subChoice > 3)
{
cout << "Invalid choice." << endl;
cout << "Enter your choice: ";
cin >> subChoice;
}
switch(subChoice)
{
case 1:
//call the evenOdd function
evenOdd();
break;
case 2:
//call the primeNumber function
primeNumber();
break;
}
}
//Was not sure if i had to include the Math Break menu from lab 1, left it out. What I belive we are supposed to do is bring all the labs together at the end of the semester?
void evenOdd()
{
int number;
bool repeat = true;
do
{
//allow the user to input a number 0 or larger
cout << endl << "Enter an integer larger than 0:";
cout << endl <<"Enter 0 to access the previous menu. ";
cin >> number;
//repeat until a valid numebr is given
while(number < 0)
{
//if invalid numbers are input, then reprompt the user to enter a valid number
cout << "Invalid number. Negative numbers are not allowed." << endl;
cout << "Enter an integer larger than 0: ";
cin >> number;
}
//set repeat to false if 0 is entered to return to the sub menu
if(number == 0)
repeat = false;
else
{
//check and print wherther the number is even or not
if(isEven(number))
cout << "The number is even." << endl;
else
cout << "The number is odd." << endl;
}
}while(repeat);
}
bool isEven(int number)
{
//check and return whether the number is even or not
if(number % 2 == 0)
return true;
else
return false;
}
void primeNumber()
{
int number;
bool repeat = true;
do
{
cout << endl <<"Enter an integer larger than 0: ";
cout << endl <<"Enter 0 to access the previous menu. ";
cin >> number;
//if the number is less than 0 then ask for a valid number
while(number < 0)
{
cout << "Invalid number. Negative numbers are not allowed." << endl;
cout << "Enter an integer larger than 0: ";
cin >> number;
}
if(number == 0)
repeat = false;
else
{
//check and print whether the number is prime or not
if(isPrime(number))
cout << "The number is prime." << endl;
else
cout << "The number is not a prime." << endl;
}
}while(repeat);
}
bool isPrime(int number)
{
int i;
bool prime = true;
//equation to check if number is prime or not
for(i = 2; i <= number/2; ++i)
{
//if number is not prime
if(number % i == 0)
prime = false;
}
return prime;
}
void readCollection()
{
for(int i=1;i<18;i++)
{
ptr.clear();
ptr.getline(rc[i].artist, 50);
ptr.clear();
ptr.getline(rc[i].title, 50);
ptr.clear();
ptr.getline(rc[i].year, 50);
}
}
void displayCollection()
{
cout<<"Artist.........Title......Year!\n\n";
for(int i=1;i<18;i++)
{
cout<
}
ptr.close();
}
Homework Answers
#include <iostream>
#include <string.h>
#include <fstream>
#include <stdlib.h>
using namespace std;
ifstream ptr;
struct record
{
char artist[50];
char title[50];
char year[50];
};
class CD
{
//private members declared
private:
string artist; //asks for string
string title; // asks for string
int yearReleased; //asks for integer
//public members declared
public:
CD();
CD(string,string,int);
void setArtist(string);
void setTitle(string);
void setYearReleased(int);
string getArtist() const;
string getTitle() const;
int getYearReleased() const;
};
CD::CD() : artist(""),title(""), yearReleased(0)
{}
CD::CD(string artist, string title, int yearReleased): artist(artist),title(title),yearReleased(yearReleased)
{}
void CD::setArtist(string artist)
//implicit paramater, qualify the name of the class members and make it visible again.
{
this->artist = artist;
}
void CD::setTitle( string title)
{
this->title = title;
}
void CD::setYearReleased(int yearReleased)
{
this->yearReleased = yearReleased;
}
string CD::getArtist() const
{
return artist;
}
string CD::getTitle() const
{
return title;
}
int CD::getYearReleased() const
{
return yearReleased;
}
void printMenu();
void displayTestCD();
void mathBreak();
void evenOdd();
void primeNumber();
bool isPrime(int);
bool isEven(int);
void readCollection();
void displayCollection();
int main()
{
int choice;
ptr.open("cd.txt");
if(!ptr)
{
cout<<"\nFile opening error\n";
exit(1);
}
choice =0;
while(choice != 3)
{
//The menu and the lets the user input which menu they want to access, given the option between displaying the testCD, math break or quiting. if anything else is picked, invalid choie is displayed.
printMenu();
cin>>choice; //user input
switch(choice) //switch to give the menu different option
{
case 1: // display the testCD
readCollection();
break;
case 2:
displayCollection();
break;
case 3:
displayTestCD();
break;
case 4:
break;
case 5:
break;
case 6:
mathBreak();
break;
case 7:
break;
default: // if anything other than 1-3 is chosen, display invalid choice
cout<<"Invalid choice";
}
}
return 0;
}
//void function for the menu and the cout statements for what will be displayed when the printMenu() function is accessed
// Records array.....
struct record rc[18];
void printMenu()
{
cout<<"1.Read Collection"<<endl;
cout<<"2. Display Collection"<<endl;
cout<<"3. Sort Collection"<<endl;
cout<<"4. Find a CD"<<endl;
cout<<"5. Edit CD"<<endl;
cout<<"6. Math Break"<<endl;
cout<<"7. Quit"<<endl;
}
void displayTestCD()
{
//test CD
CD cd1;
cd1.setArtist("asdfa");
cd1.setTitle("adfasdf");
cd1.setYearReleased(2019);
cout<<" Artist : "<<endl;
cout<<" Title : "<<endl;
cout<<" Year Released : "<<endl;
}
void mathBreak()
{
int subChoice;
cout << endl << "1. Even or Odd" << endl;
cout << "2. Prime Number" << endl;
cout << "3. End my Math Break" << endl;
cout << "Enter your choice: ";
cin >> subChoice;
//anything other than 1,2,3 is invalid and will prompt the user to enter a valid choice
while(subChoice < 1 || subChoice > 3)
{
cout << "Invalid choice." << endl;
cout << "Enter your choice: ";
cin >> subChoice;
}
switch(subChoice)
{
case 1:
//call the evenOdd function
evenOdd();
break;
case 2:
//call the primeNumber function
primeNumber();
break;
}
}
//Was not sure if i had to include the Math Break menu from lab 1, left it out. What I belive we are supposed to do is bring all the labs together at the end of the semester?
void evenOdd()
{
int number;
bool repeat = true;
do
{
//allow the user to input a number 0 or larger
cout << endl << "Enter an integer larger than 0:";
cout << endl <<"Enter 0 to access the previous menu. ";
cin >> number;
//repeat until a valid numebr is given
while(number < 0)
{
//if invalid numbers are input, then reprompt the user to enter a valid number
cout << "Invalid number. Negative numbers are not allowed." << endl;
cout << "Enter an integer larger than 0: ";
cin >> number;
}
//set repeat to false if 0 is entered to return to the sub menu
if(number == 0)
repeat = false;
else
{
//check and print wherther the number is even or not
if(isEven(number))
cout << "The number is even." << endl;
else
cout << "The number is odd." << endl;
}
}while(repeat);
}
bool isEven(int number)
{
//check and return whether the number is even or not
if(number % 2 == 0)
return true;
else
return false;
}
void primeNumber()
{
int number;
bool repeat = true;
do
{
cout << endl <<"Enter an integer larger than 0: ";
cout << endl <<"Enter 0 to access the previous menu. ";
cin >> number;
//if the number is less than 0 then ask for a valid number
while(number < 0)
{
cout << "Invalid number. Negative numbers are not allowed." << endl;
cout << "Enter an integer larger than 0: ";
cin >> number;
}
if(number == 0)
repeat = false;
else
{
//check and print whether the number is prime or not
if(isPrime(number))
cout << "The number is prime." << endl;
else
cout << "The number is not a prime." << endl;
}
}while(repeat);
}
bool isPrime(int number)
{
int i;
bool prime = true;
//equation to check if number is prime or not
for(i = 2; i <= number/2; ++i)
{
//if number is not prime
if(number % i == 0)
prime = false;
}
return prime;
}
void readCollection()
{
for(int i=1;i<18;i++)
{
ptr.clear();
ptr.getline(rc[i].artist, 50);
ptr.clear();
ptr.getline(rc[i].title, 50);
ptr.clear();
ptr.getline(rc[i].year, 50);
}
}
void displayCollection()
{
cout<<"Artist.........Title......Year!\n\n";
for(int i=1;i<18;i++)
{
cout<<"";
}
ptr.close();
}
The compile time errors are removed the code compiles successfully now test with your files.
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