path: root/CST116F2021-Lab8/LAB_8_CODE_RUN and Answers for 11.7.txt

Lab 8  Exercises                                               Benjamin Schroeder

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13a
11.7 Exercises
p 317
4 pts #5-6
Submit: Statements for 5, Judgements for 6

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#5
#include <iostream>
#include <fstream>
#include<string>
using namespace std;
using std::ifstream;
using std::ofstream;
using std::ios; 

const int RECORDS = 100;
const int MAX = 4;

int main()
/*
{
    string records;
    int num_records = 0;
    
    ifstream input_file;    //define input file
    ofstream output_file;   //define output file
    char lname[21], id[5];
    int age;

    input_file.open("Sample.txt");     // open the input file
    output_file.open("Report.txt");    // open the output file


    if (input_file.is_open() && output_file.is_open())
    {
        input_file >> lname[num_records]<<id[num_records]<<age[num_records];  //priming read

        while (!input_file.eof())
        {
            num_records++;
            input_file>> lname[num_records]<<id[num_records]<<age[num_records];
        }
        input_file.close();   //close input file
    else
        cout<<"Error: Unable to open input_file." << endl;



    }

    input_file.close();   // close input file
    output_file.close();  // close output file


    return 0;
    }





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#6
a) False
b) True
c) False
d) False
e) True






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13b
11.9 Learn by Doing Exercises
p 323
10 pts #1: write a full program to call the function
Submit: code & run
////////////////////////////////////////////////  CODE   /////////////////////////////////////////

#include <iostream>
#include <fstream>
#include <iomanip>
#include <string>
#include <stdio.h>
using namespace std;
const int RECORDS = 100;
const int MAX = 4;
int main()
{
    int records[RECORDS]{};
    int num_records = 0;
    ifstream inFile;
    FILE* inPtr;
    // open the file
    fopen_s(&inPtr, "C:\\Users\\Lenovo\\source\\repos\\cst115-lab8-BensProgramma\\CST116F2021-Lab8\\11_13_Average_Data.txt", "r");
    int inInt;
    // read the file
    if (inPtr != 0)
    {
        if (inPtr != NULL)
        {
            int j = 0;
            while (fscanf_s(inPtr, "%i", &inInt) >= 0)
            {
                records[num_records] = inInt;
                num_records++;
                j++;
            }
        }
    }
    else
        cout << "Error:   The File can not be opened";

    // close the file
    fclose(inPtr);

    cout << "Given List:\n";
    for (int r = 0; r < num_records; r++)
    {
        cout << records[r] << " ";
    }
    // Sort the numbers smallest to largest
    int j = 0, k = 0, temp = 0;
    for (j = 0; j < num_records; j++)
    {
        for (k = 0; k < num_records - 1; k++)
        {
            if (records[k] > records[k + 1])
            {
                temp = records[k];
                records[k] = records[k + 1];
                records[k + 1] = temp;
            }
        }
    }
    cout << "\nSorted List:\n";
    for (int r = 0; r < num_records; r++)
    {
        cout << records[r] << " ";
    }


    // Find the median of the list
    float median = 0;
    // if number of elements are even
    if (num_records % 2 == 0)
        median = (records[(num_records - 1) / 2] + records[num_records / 2]) / 2.0;
    // if number of elements are odd
    else
        median = records[num_records / 2];
    cout << "\nMedian: " << median << "\n";
}


////////////////////////////////////////////////   RUN  /////////////////////////////////////////
Given List:
15 25 12 14 26 32 52 12 27 44 2 32
Sorted List:
2 12 12 14 15 25 26 27 32 32 44 52
Median: 25.5

C:\Users\Lenovo\Source\Repos\cst115-lab8-BensProgramma\x64\Debug\CST116F2021-Lab8.exe (process 21852) exited with code 0.
To automatically close the console when debugging stops, enable Tools->Options->Debugging->Automatically close the console when debugging stops.
Press any key to close this window . . .



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13c
11.13 Debugging Exercises
pp 333-336
10 pts 
Submit: code & runs

////  //////////////////////////////    CODE  ///////////////////////////////////////////
*******************************************************************
* File: Chapter 11 Debug.cpp
*
* General Instructions: Complete each step before proceeding to the
* next.
*
* Debugging Exercise 1
*
* 1) Make your own data file like Troy 12, with the next person on the
*    next line and save it to a directory you create on your drive.
* 2) Under the Project menu, select Add Existing Item and
*    add the input file you just placed on your drive to your
*    current project. Make sure your Solution Explorer window
*    is visible. If not, you can display it by selecting Solution
*    Explorer (or Ctrl+Alt+L).
* 3) Open the input file by simply double clicking the name of the
*    file in your Solution Explorer.
* 4) Build and execute the program.
* 5) Update the file paths below to correctly represent the path you
*    created.
* 6) Rebuild and execute the program.
* 7) Examine the code and the output and notice the use of
*    parallel arrays.
* 8) Add the output file created via the execution of
*    your program to your Project.  Execute your program again
*    and notice how Visual Studio has rewritten your output file
*    and asks if you would like to reload the file (select Yes).
* 9) Examine the contents of both the input and the output file.
* 10) Fix all the problems in your code that exist in relation to
*     the output. Verify that your output is appropriate for your
      input file.
* 11) Build and execute your code until you have all errors
*     removed and all the output is correct.
*
* Debugging Exercise 2
*
* 1) Replace the double slashes (\\) in the input file open statement
*    with only a single slash
*    (i.e., inFile.open("C:\TEMP\Chap_11_data.txt").
* 2) Build your code, noticing the impact of the invalid path you
*    created in the previous step.
* 3) Replace the backslashes as they were.
* 4) Change both the input and output filenames so they are
*    invalid.
* 5) Update the file related error messages within the code
*    to also provide the specific name of the file that is having a
*    problem.
* 6) Rebuild and execute your program to verify that your messages
*    are correct.
* 7) Correct the path names.
* 8) Build and execute your code and carefully check your
*    output on both the console and in the output file.
*
********************************************************************/
/*
#include <iostream>
#include <fstream>	// For the files!!!!
#include <iomanip>	// For manipulators & formatting options
using std::cin;
using std::cout;
using std::endl;
using std::setw;
using std::ios;

using std::ifstream;
using std::ofstream;

const int EMPLOYEES = 20;
const int MAX = 21;

int ReadData(ifstream& inFile, ofstream& outFile, char name[][MAX], int age[]);
void WriteOutputFile(ofstream& outFile, char name[][MAX], int age[],
    int counter);
void PrintTotalsAndSummary(ofstream& out, int totalRecords);

int main()
{
    char name[EMPLOYEES][MAX];
    int age[EMPLOYEES];
    int record_counter(0);

    ifstream inFile;

    // Notice how this automatically opens the file
    ofstream outFile("Chap_11_Report2.txt");

    inFile.open("Chap_11_data2.txt");

    if (inFile.is_open())
    {
        record_counter = ReadData(inFile, outFile, name, age);
        inFile.close();

        if (outFile.is_open())
        {
            WriteOutputFile(outFile, name, age, record_counter);
            PrintTotalsAndSummary(outFile, record_counter);
            outFile.close();
        }
        else
        {
            cout << "Trouble Opening File";
            cout << "\n\n\t\t ** About to EXIT NOW! ** ";
        }
    }
    else
    {
        cout << "Trouble Opening File";
        cout << "\n\n\t\t ** About to EXIT NOW! ** ";
    }
    return 0;
}
int ReadData(ifstream& inFile, ofstream& outFile, char name[][MAX], int age[])
{
    int counter = 0;
    inFile >> name[counter] >> age[counter]; // Priming Read

    while (!inFile.eof())
    {
        cout << setiosflags(ios::left) << setw(25)
            << name[counter] << resetiosflags(ios::left)
            << setw(4) << age[counter] << endl;
        counter++;
        inFile >> name[counter] >> age[counter];
    }

    return counter;
}
void WriteOutputFile(ofstream& outFile, char name[][MAX], int age[], int counter)
{
    outFile << "   Here is the Output File" << endl;
    for (int r = 0; r <= counter; r++)
    {
        outFile << setiosflags(ios::left) << setw(25)
            << name[r] << setw(4)
            << resetiosflags(ios::left) << age[r]
            << endl;
    }
}
void PrintTotalsAndSummary(ofstream& outFile, int totalRecords)
{
    // To screen
    cout << "\n\n\t** Total Records: " << totalRecords << " **\n"
        << "\t\t The End \n";

    // To file
    outFile << "\n\n\t** Total Records: " << totalRecords << " **\n"
        << "\t\t The End \n";
}
//  ///////////////////////////////////    RUN   //////////////////////////////////

Troy                       12
George                      4
Kelly                      13


        ** Total Records: 3 **
                 The End

C:\Users\Lenovo\Source\Repos\cst115-lab8-BensProgramma\x64\Debug\CST116F2021-Lab8.exe (process 21864) exited with code 0.
To automatically close the console when debugging stops, enable Tools->Options->Debugging->Automatically close the console when debugging stops.
Press any key to close this window . . .


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13d
11.14 Programming Exercises
pp. 336-337
10 pts #1
Submit: code & run
34 pts

// /////////////////////////   CODE  //////////////////////////////

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

int main()
{

    char first[100]{};
    char last[100]{};
    char ssn[12]{};
    float wage =0;
    int hours = 0;
    char status;
    int count = 1;
    int num_records = 0;
    
    float dues = 0.00;
    int OThours = 0;
    float STPay = 0.00;
    float OTPay = 0.00;
    float NetPay = 0.00;

    ifstream fin;
    //fin.open("C:\\Users\\Lenovo\\source\\repos\\cst115-lab8-BensProgramma\\CST116F2021-Lab8\\11_14_Data.txt");
    fin.open("11_14_Data.txt");   //open the file

    cout << "   Name\t\t    SSN#\tWage\t      Hours\tRegPay\t\t  OT\t      Status\tNet Pay\n" << endl;   //Output Table Header

    while (fin && !fin.eof())
    {
        fin >> first;           //  Read the file
        fin >> last;
        fin >> ssn;
        fin >> wage;
        fin >> hours;
        fin >> status;
        num_records++;

        OThours = 0;           //Calculate Overtime if needed
        if (hours> 40)
        {
            OThours = hours - 40;
            hours = hours - OThours;
        }
        STPay = wage * hours;
        OTPay = wage * (1.5 * OThours);
        hours = hours + OThours;

        dues = 5.00;            //Calculate Union Dues
        if (status=='P')
        {
            dues = 0.00;
        }

        NetPay = STPay + OTPay - dues;          //Calculate Net Pay


        if ( num_records<12)            //Print out Table
        {
            cout << first << " "
                << last << "\t"
                << ssn << "\t$"
                << fixed << setprecision(2)<< wage << "\t\t"
                << hours << "\t$"
                << fixed << setprecision(2) << STPay << "\t\t$"
                << fixed << setprecision(2) << OTPay << "\t\t"
                << status << "\t"
                << "$" << fixed << setprecision(2) << NetPay << endl;
            count++;

        }    

    }

    fin.close();            //Close the file
}



// /////////////////////////////////     RUN     ////////////////////////


   Name             SSN#        Wage          Hours     RegPay            OT          Status    Net Pay

John Smith      123-09-9765     $9.00           46      $360.00         $81.00          F       $436.00
Molly Brown     432-89-7654     $9.50           40      $380.00         $0.00           F       $375.00
Tim Wheeler     239-34-3458     $11.25          83      $450.00         $725.62         F       $1170.62
Keil Wader      762-84-6543     $6.50           35      $227.50         $0.00           P       $227.50
Trish Dish      798-65-9844     $7.52           40      $300.80         $0.00           P       $300.80
Anthony Lei     934-43-9843     $9.50           56      $380.00         $228.00         F       $603.00
Kevin Ashes     765-94-7343     $4.50           30      $135.00         $0.00           P       $135.00
Cheryl Prince   983-54-9000     $4.65           45      $186.00         $34.88          F       $215.88
Kim Cares       343-11-2222     $10.00          52      $400.00         $180.00         F       $575.00
Dave Cockroach  356-98-1236     $5.75           48      $230.00         $69.00          F       $294.00
Will Kusick     232-45-2322     $15.00          45      $600.00         $112.50         P       $712.50

C:\Users\Lenovo\Source\Repos\cst115-lab8-BensProgramma\x64\Debug\CST116F2021-Lab8.exe (process 9572) exited with code 0.
To automatically close the console when debugging stops, enable Tools->Options->Debugging->Automatically close the console when debugging stops.
Press any key to close this window . . .