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myMovies.cpp
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myMovies.cpp
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//Objective: Input any number of movie titles and year each movie was created from file movieData.txt and store on a list.
//Name: Kevin Jaewoo Lee 1989282
//Course: COMSC-110-1572
//Compiler: TDM MinGW
//Editor: MS NotePad
//libraries
#include <deque> //collection
#include <fstream>
#include <iostream>
using namespace std;
#include <cstdlib> //random number generator
#include <ctime> //random number generator
//Programmer defined data types
struct Movies
{
string title;
int year;
};//Movies
//Special compiler dependent definitions
//NONE
//global constants/variables
//NONE
//Programmer defined functions
void introduction(string obj, string ins); //user introduction
void inputMovies(deque<Movies>& movie); //read input file and create a list
int askMovie(deque<Movies>& movie, int random); // ask user whether they got the question right or wrong
char yOrN(); // ask user to play again or add another movie to the list
void outputList(deque<Movies>& movie); //output the list
void sortList(deque<Movies>& movie); // sort list of movies with year
//main program
int main()
{
//Data
string objective = "The program will Input any number of movie titles and year each movie was created from file movieData.txt and store on a list.\n"; //program objective
string instructions = "Guess what year that movie was made only by numbers.\n\n"; //user instructions
deque<Movies> movie; // create an empty collection
srand(time(0)); rand(); //"seed" the random number generator
int userGuessYear; // user guessing the year of the movie which is chosen by the random generator
int result;//determine whether they got the question right or wrong
char answer; //user answer whether they want to play again or add the another movie to the list
int i; //for index loop
//user introduction
introduction(objective, instructions);
//read input file and create a list
inputMovies(movie);
//check whether the user guess right or wrong and ask to play it again or add another movie to the list
do
{
int random = rand() % movie.size();
result = askMovie(movie,random);
if (result == 0)
{
cout << " You are correct! "<< endl ;
}//correct
if (result ==1)
{
cout << " You guess it wrong! it was made in " << movie[random].year <<endl;
}//wrong
answer = yOrN();
}while(answer == 'y' || answer =='Y');
//output sorted movie title and year
outputList(movie);
}//main
//user introduction
void introduction(string obj, string ins)
{
//data
//obj is the program objective
//ins is the user instructions
//user introduction
cout << "Objective: " << obj;
cout << "Programmer: Kevin Jaewoo Lee 1989282\n";
cout << "Editor(s) used: Notepad\n";
cout << "Compiler(s) used: TDM MinGW\n";
cout << "File: " << __FILE__ << endl;
cout << "Compiled: " << __DATE__ << " at " << __TIME__ << endl;
cout << "Instructions: " << ins;
}//introduction
//read input file and create a list
void inputMovies(deque<Movies>& movie)
{
//data
ifstream fin; //for file input
string fileName = "movieData.txt"; //for open the file
Movies amovie; // updation a movie from input file
//read file
fin.open(fileName.c_str());
if (!fin.good()) throw "I/O error";
//create a list
while(fin.good())
{
getline(fin, amovie.title);
fin >> amovie.year;
fin.ignore(1000,10);
fin.ignore(1000,10);
movie.push_back(amovie);
}
}
// ask user whether they got the question right or wrong
askMovie(deque<Movies>& movie, int random)
{
//data
int userGuessYear; // user guessing the year of the movie which is chosen by the random generator
int result; //determine whether user guess is right or wrong
cout << "Guess what year is " << movie[random].title <<" movie was made? [valid input : numbers]: ";
cin >> userGuessYear;
cin.ignore(1000,10);
if (movie[random].year == userGuessYear)
{
result = 0;
}//correct
else
{
result = 1;
}
return result;
}//askMovie
char yOrN()
{
//data
char userAnswer; //user answer to play again or add another movie to the list
char resultAnswer; // value return to main function
//ask the user to play again
while(true)
{
cout << "Do you want to play again or want to add another movie to the list? ";
cin >> userAnswer;
cin.ignore(1000,10);
if (userAnswer == 'y' || userAnswer == 'Y')
{
resultAnswer = 'y';
break;
}
else if (userAnswer =='n' || userAnswer == 'N')
{
resultAnswer = 'n';
cout << endl;
break;
}
else
{
cout << " I can not understand whether you want to play again or add another movie! " << endl;
}
}//while
return resultAnswer;
}//yOrN
// sort list of movies with year
void sortList(deque<Movies>& movie)
{
//data
//movie is collection list of the input file
int i; // outer loop index
int j; // inner loop index
int swapy; //used for sort swap
string swapt; //used for sort swap
// sort the array
for (i = 0; i <movie.size(); i++)
{
for (j = i + 1; j <movie.size(); j++)
{
if (movie[i].year>movie[j].year)
{
// swap code
swapy = movie[i].year;
movie[i].year = movie[j].year;
movie[j].year = swapy;
swapt = movie[i].title;
movie[i].title = movie[j].title;
movie[j].title = swapt;
} // if
} // for j
} // for i
}//sort
void outputList(deque<Movies>& movie)
{
//data
int i; //for index loop
sortList(movie);
for(i=0;i<movie.size();i++)
{
cout << movie[i].title << " " << movie[i].year << endl;
}
}//outputList