diff options
| author | IsabellaMon <[email protected]> | 2021-10-26 22:34:02 -0700 |
|---|---|---|
| committer | GitHub <[email protected]> | 2021-10-26 22:34:02 -0700 |
| commit | ffd318320321d051c68efd3b569493841646314f (patch) | |
| tree | dda80869a67ec16f7f887ea889306091b6d10aa0 /M4L4Mon.txt | |
| parent | Add online IDE url (diff) | |
| download | cst116-lab4-isabellamon-master.tar.xz cst116-lab4-isabellamon-master.zip | |
Lab4
Diffstat (limited to 'M4L4Mon.txt')
| -rw-r--r-- | M4L4Mon.txt | 494 |
1 files changed, 494 insertions, 0 deletions
diff --git a/M4L4Mon.txt b/M4L4Mon.txt new file mode 100644 index 0000000..d4954eb --- /dev/null +++ b/M4L4Mon.txt @@ -0,0 +1,494 @@ +CST116
+Module 4: Lab 4
+
+7a
+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); We cannot sqrt a negative
+3. a = pow(2.0, 5); 32
+4. a = pow(2.0, -2); .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
+
+
+9.3
+Exercises
+p 207
+10 pts #1
+Submit: code & run
+Total: 15 pts
+
+CODE:
+ #include <iostream>
+ using namespace std;
+
+ void average(float& num1, float& num2, float& num3);
+
+ int main()
+ {
+ float num1, num2, num3;
+
+ average(num1, num2, num3);
+ return 0;
+ }
+
+ void average(float& num1, float& num2, float& num3)
+ {
+ float avg = 0;
+
+ cout << "\nEnter the first number: ";
+ cin >> num1;
+
+ cout << "\nEnter the second number: ";
+ cin >> num2;
+
+ cout << "\nEnter the third number: ";
+ cin >> num3;
+
+ avg = (num1 + num2 + num3) / 3;
+ cout << "\n\tThe average is " << avg << endl;
+
+ }
+
+
+RUN:
+ Enter the first number: 9
+
+ Enter the second number: 4
+
+ Enter the third number: 6
+
+ The average is 6.33333
+
+7b
+9.4 Learn by Doing Exercises
+p 214
+10 pts #1
+Submit: code & runs
+
+CODE:
+ #include <iostream>
+ #include <iomanip>
+ using namespace std;
+
+ void GetInput(float& salary, int& years_service);
+ void CalcRaise(float& salary, int& years_service);
+ int CalcBonus(int years_service);
+ void PrintCalculations(float salary, int years_service, int bonus);
+
+ int main()
+ {
+ int years_service = 0;
+ float salary = 0.0;
+ int bonus = 0;
+
+ GetInput(salary, years_service);
+ CalcRaise(salary, years_service);
+ bonus = CalcBonus(years_service);
+ PrintCalculations(salary, years_service, bonus);
+ return 0;
+ }
+
+ void GetInput(float& salary, int& years_service)
+ {
+ cout << "Enter the employee's salary: ";
+ cin >> salary;
+ if (salary > 0)
+ {
+ cout << "Enter the employee's years of service: ";
+ cin >> years_service;
+ }
+
+ }
+ void CalcRaise(float& salary, int& years_service)
+ {
+ if (years_service > 10)
+ {
+ salary = salary + (salary * .10);
+ }
+ else if (years_service >= 5 && years_service <= 10)
+ {
+ salary = salary + (salary * .05);
+ }
+ else
+ {
+ salary = salary + (salary * .02);
+ }
+ }
+ int CalcBonus(int years_service)
+ {
+ int bonus = 0;
+ int addBonus = 0;
+ addBonus = years_service / 2;
+ bonus = addBonus * 500;
+ return bonus;
+ }
+ void PrintCalculations(float salary, int years_service, int bonus)
+ {
+ cout << "\n\t * Employee Stats *";
+ cout << "\n\tYears of Service: " << years_service;
+ cout << "\n\tSalary After Raise: " << salary;
+ cout << "\n\tYour Bonus: " << bonus << endl;
+ }
+
+
+RUN 1:
+ Enter the employee's salary: 5000
+ Enter the employee's years of service: 20
+
+ * Employee Stats *
+ Years of Service: 20
+ Salary After Raise: 5500
+ Your Bonus: 5000
+
+RUN 2:
+ Enter the employee's salary: 5000
+ Enter the employee's years of service: 10
+
+ * Employee Stats *
+ Years of Service: 10
+ Salary After Raise: 5250
+ Your Bonus: 2500
+
+
+7c
+9.5 Learn by Doing Exercises
+p 216
+10 pts #2
+Submit: code & runs
+
+CODE:
+ #include <iostream>
+ #include <iomanip>
+ using namespace std;
+
+ void GetInput(int& hour, int& min, int& sec);
+ void Display(int& hour, int& min, int& sec, int& disp);
+
+ int main()
+ {
+ int hour, min, sec;
+ int disp;
+
+ GetInput(hour, min, sec);
+ Display(hour, min, sec, disp);
+
+ return 0;
+ }
+
+ void GetInput(int& hour, int& min, int& sec)
+ {
+
+ cout << "Enter the hour: ";
+ cin >> hour;
+
+ cout << "\nEnter the minute(s): ";
+ cin >> min;
+
+ cout << "\nEnter the second(s): ";
+ cin >> sec;
+ }
+ void Display(int& hour, int& min, int& sec, int& disp)
+ {
+ int time = 0;
+
+ cout << "\n\t\t Display Options ";
+ cout << "\n\t\t1. Military Time ";
+ cout << "\n\t\t2. 24 Hour Time ";
+ cout << "\n\t\t3. Default Time ";
+
+ cout << "\n\n\tHow is your time displayed? ";
+ cin >> disp;
+
+ switch (disp)
+ {
+ case 1:
+
+ cout << "\n " << setw(2) << setfill('0') << hour;
+ cout << setw(2) << setfill('0') << min;
+ cout << setw(2) << setfill('0') << sec << endl;
+ break;
+ case 2:
+
+ cout << "\n " << setw(2) << setfill('0') << hour;
+ cout << ":" << setw(2) << setfill('0') << min;
+ cout << ":" << setw(2) << setfill('0') << sec << endl;
+ break;
+ case 3:
+
+ cout << "\n\t\t a.m. or p.m.? ";
+ cout << "\n\t\t 1. a.m.";
+ cout << "\n\t\t 2. p.m.";
+
+ cout << "\n\n\tIs the time a.m. or p.m.? ";
+ cin >> time;
+
+ switch (time)
+ {
+ case 1:
+ cout << "\n " << hour;
+ cout << ":" << setw(2) << setfill('0') << min;
+ cout << ":" << setw(2) << setfill('0') << sec << " a.m. " << endl;
+ break;
+
+ case 2:
+ cout << "\n " << hour;
+ cout << ":" << setw(2) << setfill('0') << min;
+ cout << ":" << setw(2) << setfill('0') << sec << " p.m. " << endl;
+ break;
+
+ default:
+ cout << "\n\tInvalid option entered." << endl;
+ }
+ break;
+ default:
+ cout << "\n\tInvalid option entered." << endl;
+ }
+ }
+
+RUN 1:
+ Enter the hour: 2
+
+ Enter the minute(s): 42
+
+ Enter the second(s): 5
+
+ Display Options
+ 1. Military Time
+ 2. 24 Hour Time
+ 3. Default Time
+
+ How is your time displayed? 1
+
+ 024205
+
+ RUN 2:
+ Enter the hour: 8
+
+ Enter the minute(s): 6
+
+ Enter the second(s): 13
+
+ Display Options
+ 1. Military Time
+ 2. 24 Hour Time
+ 3. Default Time
+
+ How is your time displayed? 2
+
+ 08:06:13
+
+RUN 3:
+ Enter the hour: 3
+
+ Enter the minute(s): 3
+
+ Enter the second(s): 25
+
+ Display Options
+ 1. Military Time
+ 2. 24 Hour Time
+ 3. Default Time
+
+ How is your time displayed? 3
+
+ a.m. or p.m.?
+ 1. a.m.
+ 2. p.m.
+
+ Is the time a.m. or p.m.? 2
+
+ 3:03:25 p.m.
+
+8a
+9.13 Debugging Exercises
+pp 226-229
+10 pts #1
+Submit: code & runs
+
+CODE:
+//Debugging Exercise 1
+ #include <iostream>
+ using std::cout;
+ using std::cin;
+ using std::endl;
+
+ const int DAYS_PER_YEAR = 365;
+
+ int GetAge(int& age);
+ int CalcDays(int age);
+ void PrintResults(int age, int days);
+
+ int main()
+ {
+ int age = 0;
+ int days = 0;
+
+ // Breakpoint 1
+ // Put breakpoint on the following line
+ GetAge(age);
+ days = CalcDays(age);
+
+ // Breakpoint 2
+ // Put breakpoint on the following line
+ PrintResults(age, days);
+
+ return 0;
+ }
+ 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";
+ }
+
+/*Debugging Exercise 2
+*
+* 1) Run to Breakpoint 1.
+* 2) Step over the call to GetAge.
+* 3) Step into CalcDays.
+* 4) Step into one more time so that the current line is the
+* calculation.
+* 5) Why is age greyed out in your watch window? Because age does not show up within this function.
+* 6) Stop debugging.
+*/
+
+//Debugging Exercise 3
+ #include <iostream>
+ using std::cout;
+ using std::cin;
+ using std::endl;
+
+ const int DAYS_PER_YEAR = 365;
+
+ int GetAge(int& age);
+ int CalcDays(int age);
+ void PrintResults(int age, int days);
+
+ int main()
+ {
+ int age = 0;
+ int days = 0;
+
+ // Breakpoint 1
+ // Put breakpoint on the following line
+ GetAge(age);
+ days = CalcDays(age);
+
+ // Breakpoint 2
+ // Put breakpoint on the following line
+ PrintResults(age, days);
+
+ return 0;
+ }
+ 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 age, int days)
+ {
+ cout << age << "! Boy are you old!\n";
+ cout << "Did you know that you are at least " << days << " days old?\n\n";
+ }
+
+/*Debugging Exercise 4
+*
+* 1) Run to Breakpoint 2.
+* 2) Display your Call Stack window.
+* 3) View the contents of the window and notice that the top
+* function on the stack is main.
+* 4) Step into the PrintResults function.
+* 5) Notice that the call stack now shows PrintResults on top of
+* the stack.
+********************************************************************/
+
+
+8b
+9.14 Programming Exercises
+pp 229
+10 pts #1
+Submit: code & run
+
+CODE:
+ #include <iostream>
+ using namespace std;
+
+ int main()
+ {
+ int row = 0;
+ int width = 0;
+ int height = 0;
+
+ cout << "Input height: ";
+ cin >> height;
+
+ cout << "Input width: ";
+ cin >> width;
+
+ cout << char(218);
+ for (int row = 0; row < width; row++)
+ cout << char(196);
+ cout << char(191) << endl;
+
+ for (int row = 0; row < height; row++)
+ {
+ cout << char(179);
+ for (int side = 0; side < width; side++)
+ cout << " ";
+ cout << char(179) << endl;
+ }
+ cout << char(192);
+
+ for (int row = 0; row < width; row++)
+ cout << char(196);
+ cout << char(217) << endl;
+
+ return 0;
+ }
+
+
+
+RUN:
+ Input height: 5
+ Input width: 20
+ ┌────────────────────┐
+ │ │
+ │ │
+ │ │
+ │ │
+ │ │
+ └────────────────────┘
+
|