Week 4 (CS 200)

#include <iostream>
using namespace std;


int main()
{
    int age;
    cout << "Enter your age: ";
    cin >> age;

    while ( age < 18 ) // if ( age < 18 )
    {
        cout << age << ": You can't vote" << endl;
        age++;
    }

    //else
    //{
        cout << "You can vote at age " << age << endl;
    //}

    return 0;
}

#include <iostream>
using namespace std;

int main()
{
    int x = -10, y = 5;

    while ( x != 0 && y != 0 )
    {
        cout << "(" << x << "," << y << ") is not an intercept" << endl;
        x++;
        y++;
    }

    // x == 0 || y == 0
    cout << "(" << x << "," << y << ") IS an intercept" << endl;

    return 0;
}

#include <iostream>
using namespace std;

int main()
{
    bool running = true;


    while ( running )
    {
        cout << "1. Favorite movie" << endl;
        cout << "2. Show favorite game" << endl;
        cout << "3. Quit" << endl;


        cout << ">> ";
        int choice;
        cin >> choice;


        cout << endl;
        switch( choice )
        {
            case 1: cout << "Lost Skeleton of Cadavra" << endl; break;
            case 2: cout << "IDK Achaea?" << endl; break;
            case 3: running = false; break;
        }
    }

    return 0;
}

#include <iostream>     // Console I/O
#include <fstream>      // File I/O
using namespace std;

int main()
{
    ofstream fout; // Output file stream variable

    cout << "Generating TXT file..." << endl;
    fout.open( "text.txt" );
    fout << "Hello, world" << endl;
    fout.close();

    cout << "Generating HTML page..." << endl;
    fout.open( "page.html" );
    fout << "<h1> Header 1 </h1>" << endl;
    fout << "<p> This is a <em>paragraph</em> <br> Hello </p>" << endl;
    fout.close();

    cout << "Generating Spreadsheet..." << endl;
    fout.open( "spreadsheet.csv" );
    fout << "COURSE,ENROLLMENT" << endl;
    fout << "CS200,17" << endl;
    fout << "CS235,15" << endl;
    fout << "CS250,20" << endl;
    fout.close();

    return 0;
}

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

int main()
{
    ofstream uselog( "logs/usage.txt" );
    uselog << "PROGRAM START" << endl;

    ofstream errlog( "logs/errors.txt" );
    uselog << "CREATED ERROR LOG" << endl;

    //errlog.open( "errors.txt" );
    bool running = true;
    uselog << "CREATED RUNNING VARIABLE" << endl;

    while ( running )
    {
        cout << "1. Favorite movie" << endl;
        cout << "2. Show favorite game" << endl;
        cout << "3. Quit" << endl;

        cout << ">> ";
        int choice;
        cin >> choice;
        uselog << "USER ENTERED " << choice << endl;

        cout << endl;
        switch( choice )
        {
            case 1:
            cout << "Lost Skeleton of Cadavra" << endl;
            uselog << "SHOWED USER FAVORITE MOVIE" << endl;
            break;

            case 2:
            cout << "IDK Achaea?" << endl;
            uselog << "SHOWED USER FAVORITE GAME" << endl;
            break;

            case 3: running = false; break;
            default:
                cout << "Invalid choice!" << endl;
                errlog << "USER ENTERED INVALID CHOICE #" << choice << endl;
        }
    }

    uselog << "PROGRAM ENDED" << endl;

    return 0;
}

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

int main()
{
    int choice;
    ifstream fin( "data/userprefs.txt" );
    if ( fin.fail() )
    {
        cout << "ERROR: Could not find file!" << endl;
        return 1;
    }

    string movie, game;
    getline( fin, movie );
    getline( fin, game );
    fin.close();

    bool running = true;
    while ( running )
    {
        cout << "Favorite movie: " << movie << endl;
        cout << "Favorite game:  " << game << endl;

        cout << endl << "UPDATE MENU" << endl;
        cout << "1. Favorite movie" << endl;
        cout << "2. Show favorite game" << endl;
        cout << "3. Quit" << endl;

        cout << ">> ";
        cin >> choice;
        cin.ignore();

        cout << endl;
        switch( choice )
        {
            case 1:
            cout << "Enter new movie: ";
            getline( cin, movie );
            break;

            case 2:
            cout << "Enter new game: ";
            getline( cin, game );
            break;


            case 3: running = false; break;
        }
    }

    ofstream fout( "data/userprefs.txt" );
    fout << movie << endl;
    fout << game << endl;

    return 0;
}