Lab4 Code and Runs txt                                                       Benjamin Schroeder

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6.8 Exercises
pp 132-133
5 pts #1-9
Submit: value of “a” after the expression is executed

    1) a= sqrt(9.0);           ...    a = 3.0
    2) a= sqrt(-9.0);          ...    -nan(ind)
    3) a = pow(2.0,5);         ...    a= 32
    4) a = pow(2.0,-2);        ...    a= .25
    5) a = ceil(5.1);          ...    a= 6
    6) a = ceil(5.9);          ...    a =6
    7) a = floor(5.1);         ...    a = 5
    8) a = floor(5.9);         ...    a = 5
    9) a = sqrt(pow(abs(-2),4));      a=4

//int main()     // example code
//{
//    float a = 0;
//    a = sqrt(pow(abs(-2),4));
//    cout << a;
//}

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9.3_1  Exercises
p 207
10 pts #1
Submit: code & run

                                                        /////   CODE   /////
#include <iostream>
using namespace std;

float average(float, float, float);

int main()

{

    average(3.2, 6.0, 8.6);
    return 0;
}

float average(float x, float y, float z)
    {

        cout << "The average of these three #'s is :  " << (x + y + z) / 3 << ".\n";
        return 0.0;
    }
                                                               
                                                               
                                                              
                                                              
                                                              ////   RUN    ////

Run from 9.3_1 p207
The average of these three #'s is :  5.93333.

C:\Users\Lenovo\source\repos\Lab4_Schroeder\Debug\Lab4_Schroeder.exe (process 6992) 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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9.4_1 Learn by Doing Exercises
//p 214
//10 pts #1

                                                           //// CODE  ////
#include <iostream>
using namespace std;

void GetInput(float&, int&);
void CalcRaise(float&, int);
int CalcBonus(int);    //Pass by value
void PrintCalculations(int, float, int);

int main()

{
    int years_service = 0;
    float salary = 0.0;

    while (salary <= 0)
    {
        GetInput(salary, years_service);
        cout << "Salary is : " << salary << ".\n";
    }
    
    CalcRaise(salary,years_service);
    int bonus = CalcBonus(years_service);

    PrintCalculations(years_service, salary, bonus);

    return 0;
}


void GetInput(float& sal, int& years_serv) // salary, and years_service have been passed by reference (Global Changes)
{
    cout << "Enter the employee's salary: ";
    cin >> sal;
    if (sal > 0)
        {
        cout << "Enter the employee's years of service: ";
        cin >> years_serv;
        }   
}


void CalcRaise(float& salary, int years_service)   //copy of years_service has been sent here
{
   if (years_service > 10)
    {
        salary = salary*1.1;
    }
    else if (years_service >= 5 && years_service <= 10)
    {
        salary = salary*1.05;
    }
    else
    {
        salary = salary*1.02;
    } 
}


int CalcBonus(int years_service)  //copy of years_service has been sent here
{
    int bonus = 500 * (years_service / 2);

    return bonus;
}

void PrintCalculations(int years_service, float salary, int bonus) ////copy of years_service, salary, and bonus   has been sent here
{
    cout << "\n*******************************************************************************************\n\n";
    cout << "\t\tThis employee's new salary is: $" << salary<<".\n";
    cout << "\t\tAfter " << years_service << " years of service, they have earned a bonus of: $" << bonus << ".\n\n";
    cout << "*******************************************************************************************";

}
 
                                                                    //// RUN  ////
Run from 9.4_1  p214    

Enter the employee's salary: 25000
Enter the employee's years of service: 12
Salary is : 25000.

*******************************************************************************************

                This employee's new salary is: $27500.
                After 12 years of service, they have earned a bonus of: $3000.

*******************************************************************************************
C:\Users\Lenovo\source\repos\Lab4_Schroeder\Debug\Lab4_Schroeder.exe (process 13704) 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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9.5_1 Learn by Doing Exercises  p 216
# 1 Write a program to display the time in 3 different formats


                                                                //// CODE ////
# include<iomanip>
void getTime(int& hour, int& min, int& sec);
void displayTime(int,int,int,int F=3);

int main()
{ 
	int hour = 0, min=0, sec=0;
	int F;

	getTime(hour, min, sec);
	cout << "\n\n";
	displayTime(hour, min, sec);
	displayTime(hour, min, sec, 1);
	displayTime(hour, min, sec, 2);
	return 0;
}

void getTime(int& hour, int& min, int& sec)       // function to ask for the time
{
	hour = -1;
	min = -1;
	sec = -1;
	cout << "Please enter the Time:\n";
	while (hour > 24 || hour < 0)
	{
		cout << "\tHour (0 to 24):  ";
		cin >> hour;
	}
	while (min > 59 || min < 0)
	{
		cout << "\tMinute (0 to 59):";
		cin >> min;
	}
	while (sec > 59 || sec < 0)
	{
		cout << "\tSecond(0 to 59): ";
		cin >> sec;
	}
}

void displayTime(int hour,int min,int sec,int F)    //function to display the time , format depending upon F
{	
	string ampm = "am";
	
	if (F == 1)
		cout << "\t24 hr notation:  " << setw(2) << setfill('0') << hour << ":" << setw(2) << setfill('0') << min << ":" << setw(2) << setfill('0') << sec << "\n";
	else if (F == 2)
		cout << "\tMilitary time:   " << setw(2) << setfill('0') << hour << setw(2) << setfill('0') << min << ":" << setw(2) << setfill('0') << sec << "\n";
	else if (F == 3)
	{
		if (hour > 12)
		{
			hour = hour - 12;
			ampm = "pm";
		}
		cout << "\tStandard format: " << hour << ":" << setw(2) << setfill('0') << min << ":" << setw(2) << setfill('0') << sec << ampm<<"\n";
	}
	
}

Run from 9.5_1                                                  ////  RUN   ////

Please enter the Time:
        Hour (0 to 24):  16
        Minute (0 to 59):1
        Second(0 to 59): 8


        Standard format: 4:01:08pm
        24 hr notation:  16:01:08
        Military time:   1601:08

C:\Users\Lenovo\Source\Repos\cst116-lab4-BensProgramma\x64\Debug\CST116F2021-Lab4.exe (process 9696) 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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//9.13_1 Debugging Exercises
//pp 226 - 229
//10 pts 
                                                                    ////  CORRECTED CODE   ////
#include <iostream>
using std::cout;
using std::cin;
using std::endl;

const int DAYS_PER_YEAR = 365;

int GetAge();
int CalcDays(int);
void PrintResults(int, int);

int main()
{
    int age = 0;
    int days = 0;

    // Breakpoint 1
    // Put breakpoint on the following line 
    age = GetAge();
    days = CalcDays(age);

    // Breakpoint 2
    // Put breakpoint on the following line
    PrintResults(days, age);

    return 0;
}

// FUNCTIONS
int GetAge()
{
    int age;

    cout << "Please enter your age: ";
    cin >> age;

    return age;
}
int CalcDays(int years)
{
    int days;

    days = years * DAYS_PER_YEAR;

    return days;
}
void PrintResults(int days, int age)
{
    cout << age << "! Boy are you old!\n";
    cout << "Did you know that you are at least " << days << " days old?\n\n";
}


                                                                      /////    RUN     /////
Run from 9.13_1  Debugging Exercise

Please enter your age: 33
33! Boy are you old!
Did you know that you are at least 12045 days old?


C:\Users\Lenovo\source\repos\Chapter9_Debug\Debug\Chapter9_Debug.exe (process 21340) 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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9.14_1 Programming exercises
p229 
//  Draw  A rectangle
                                                      ////  CODE   ////

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

void DrawRect(int,int);

int main()         //  Program to draw a rectangle on the screen of user defined dimensions
{
	int height = 0;
	int width = 0;
	cout << "Enter the dimensions of the rectangle I'm going to print on the screen\n";
	cout << "Height: ";
	cin >> height;
	cout << "Width:  ";
	cin >> width;
	
	DrawRect(height, width);

	return 0;
}

void DrawRect(int height,int width)    //Function that draws the rectangle
{
	//Top
	string top(width,char(196));
	top[0] = char(218);
	top[width-1] = char(191);
	cout << top<<"\n";

	//Sides
	string sides(width, char(32));
	for (int i=1; i<height-2;i++)
	{
		sides[0] = char(179);
		sides[width-1] =char(179);
		cout << sides<<"\n";
	}

	//Bottom
	string bottom(width, char(196));
	bottom[0] = char(192);
	bottom[width-1] = char(217);
	cout << bottom;
}


                                                        ///// RUN //////
Run from 9.14_1 

Enter the dimensions of the rectangle I'm going to print on the screen
Height: 10
Width:  25
┌───────────────────────┐
│                       │
│                       │
│                       │
│                       │
│                       │
│                       │
│                       │
└───────────────────────┘
C:\Users\Lenovo\Source\Repos\cst116-lab4-BensProgramma\x64\Debug\CST116F2021-Lab4.exe (process 23708) 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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