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Tyler Taormina Lab 4 Text File
CST CST116
October 20, 2021
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
2. a = sqrt (-9.0); a = nan
3. a = pow( 2.0, 5 ); a = 32
4. a = pow ( 2.0, -2 ); a = 0.25
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
#include <iostream>
#include <cmath> // needed for square roots
using namespace std;
int avg_score (float& num1, float& num2, float& num3)
{
int avg = 0;
avg = ( num1 + num2 + num3 ) / 3;
return avg;
}
int main() {
float value1, value2, value3, average = 0.0;
cout << "Enter 3 values that you want averaged." << endl;
cout << "Enter value 1: " << endl;
cin >> value1;
cout << "Enter value 2: " << endl;
cin >> value2;
cout << "Enter value 3: " << endl;
cin >> value3;
average = avg_score(value1, value2, value3);
cout << "Your average score is: " << average << endl;
return 0;
}
RUN:
C:\Users\Till\CLionProjects\gitDemo\cmake-build-debug\gitDemo.exe
Enter 3 values that you want averaged.
Enter value 1:
20
Enter value 2:
19
Enter value 3:
21
Your average score is: 20
Process finished with exit code 0
________________________________________________________________________________________________________________________
7b
9.4 Learn by Doing Exercises
p 214
10 pts #1
Submit: code & runs
CODE:
#include <iostream>
using namespace std;
void GetInput (float& salary, int& years_service)
{
cout << "Enter salary: ";
cin >> salary;
cout << "Enter years_service: ";
cin >> years_service;
}
void CalcRaise (float& salary, int years_service)
{
if (years_service > 10)
salary += (salary * .10);
else if (years_service >= 5)
salary += (salary * .05);
else
salary += (salary * .02);
}
int CalcBonus (int years_service)
{
int bonus = 0;
int bonus_years = 0;
bonus_years = years_service / 2;
bonus = bonus_years * 500;
return bonus;
}
void PrintCalc (int years_service, float salary, int bonus)
{
cout << "Employee years of service is " << years_service << endl;
cout << "Your current salary is $" << salary << endl;
cout << "The bonus you will receive is $" << bonus << endl;
}
int main()
{
int years_service = 0, bonus = 0;
float salary = 0.0;
GetInput(salary, years_service);
CalcRaise(salary, years_service);
bonus = CalcBonus(years_service);
PrintCalc(years_service, salary, bonus);
return 0;
}
RUN:
C:\Users\Till\CLionProjects\gitDemo\cmake-build-debug\gitDemo.exe
Enter salary:20000
Enter years_service:10
Employee years of service is 10
Your current salary is $21000
The bonus you will receive is $2500
Process finished with exit code 0
________________________________________________________________________________________________________________________
7c
9.5 Learn by Doing Exercises
p 216
10 pts #2
Submit: code & run
________________________________________________________________________________________________________________________
8a
9.13 Debugging Exercises
pp 226-229
10 pts #1
Submit: code & runs
8b
9.14 Programming Exercises
pp 229
10 pts #1
Submit: code & run
Total: 55 pts
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