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#include <iostream>
using namespace std;
//9a -
//Section 10.5 -
//int main()
//{
//create arrays
// int studentScores[10];
// char studentGrades[10];
//loop input into array
// for (int scoreCount = 0; scoreCount <= 9; scoreCount++)
// {
// cout << "Enter student " << scoreCount + 1 << "'s score: ";
// cin >> studentScores[scoreCount];
// }
//scores to grades loop
// for (int scoreCount = 0; scoreCount <= 9; scoreCount++)
// {
// if (studentScores[scoreCount] >= 92.0)
// {
// studentGrades[scoreCount] = 'A';
// }
// else if (studentScores[scoreCount] >= 84.0)
// {
// studentGrades[scoreCount] = 'B';
// }
// else if (studentScores[scoreCount] >= 75.0)
// {
// studentGrades[scoreCount] = 'C';
// }
// else if (studentScores[scoreCount] >= 65.0)
// {
// studentGrades[scoreCount] = 'D';
// }
// else if (studentScores[scoreCount] < 65.0)
// {
// studentGrades[scoreCount] = 'F';
// }
// }
//display grades for each student
// cout << endl;
// for (int gradeCount = 0; gradeCount <= 9; gradeCount++)
// {
// cout << "Student " << gradeCount + 1 << "'s grade: " << studentGrades[gradeCount] << endl;
// }
//display class average
// cout << endl;
// float classAverage = 0;
// for (int scoreCount = 0; scoreCount < 10; scoreCount++)
// {
// classAverage = classAverage + studentScores[scoreCount];
// }
// cout << "Class average: " << classAverage/10 << endl;
//display number of students per grade
// cout << endl;
// int studentAs = 0;
// int studentBs = 0;
// int studentCs = 0;
// int studentDs = 0;
// int studentFs = 0;
// for (int gradeCount = 0; gradeCount < 10; gradeCount++)
// {
// if (studentGrades[gradeCount] == 'A')
// {
// studentAs++;
// }
// if (studentGrades[gradeCount] == 'B')
// {
// studentBs++;
// }
// if (studentGrades[gradeCount] == 'C')
// {
// studentCs++;
// }
// if (studentGrades[gradeCount] == 'D')
// {
// studentDs++;
// }
// if (studentGrades[gradeCount] == 'F')
// {
// studentFs++;
// }
// }
// cout << studentAs << " students got A's" << endl;
// cout << studentBs << " students got B's" << endl;
// cout << studentCs << " students got C's" << endl;
// cout << studentDs << " students got D's" << endl;
// cout << studentFs << " students got F's" << endl;
//}
//9b -
//Section 10.6
//Function Prototypes
void getScores(int studentScores[]);
void calculateGrades(int studentScores[], char studentGrades[]);
void displayGrades(char studentGrades[]);
void classAverage(int studentScores[]);
void studentsPerGrade(char studentGrades[]);
int main()
{
//defining
int studentScores[10];
char studentGrades[10];
//entry sequence
cout << "Welcome to the 10 scores to grades program." << endl;
//get scores
cout << endl;
getScores(studentScores);
//calculate grades
calculateGrades(studentScores, studentGrades);
//display grades
cout << endl;
displayGrades(studentGrades);
//display class average
cout << endl;
classAverage(studentScores);
//display students per grade
cout << endl;
studentsPerGrade(studentGrades);
return 0;
}
void getScores(int studentScores[])
{
for (int scoreCount = 0; scoreCount < 10; scoreCount++)
{
cout << "Please enter student " << scoreCount + 1 << "'s score: ";
cin >> studentScores[scoreCount];
}
}
void calculateGrades(int studentScores[], char studentGrades[])
{
for (int scoreCount = 0; scoreCount < 10; scoreCount++)
{
if (studentScores[scoreCount] >= 92.0)
{
studentGrades[scoreCount] = 'A';
}
else if (studentScores[scoreCount] >= 84.0)
{
studentGrades[scoreCount] = 'B';
}
else if (studentScores[scoreCount] >= 75.0)
{
studentGrades[scoreCount] = 'C';
}
else if (studentScores[scoreCount] >= 65.0)
{
studentGrades[scoreCount] = 'D';
}
else if (studentScores[scoreCount] < 65.0)
{
studentGrades[scoreCount] = 'F';
}
}
}
void displayGrades(char studentGrades[])
{
for (int gradeCount = 0; gradeCount < 10; gradeCount++)
{
cout << "Student " << gradeCount + 1 << "'s final grade: " << studentGrades[gradeCount] << endl;
}
}
void classAverage(int studentScores[])
{
float classAverage = 0;
for (int scoreCount = 0; scoreCount < 10; scoreCount++)
{
classAverage = classAverage + studentScores[scoreCount];
}
cout << "Class average: " << classAverage / 10 << endl;
}
void studentsPerGrade(char studentGrades[])
{
int studentAs = 0;
int studentBs = 0;
int studentCs = 0;
int studentDs = 0;
int studentFs = 0;
for (int gradeCount = 0; gradeCount < 10; gradeCount++)
{
if (studentGrades[gradeCount] == 'A')
{
studentAs++;
}
if (studentGrades[gradeCount] == 'B')
{
studentBs++;
}
if (studentGrades[gradeCount] == 'C')
{
studentCs++;
}
if (studentGrades[gradeCount] == 'D')
{
studentDs++;
}
if (studentGrades[gradeCount] == 'F')
{
studentFs++;
}
}
cout << studentAs << " students got A's" << endl;
cout << studentBs << " students got B's" << endl;
cout << studentCs << " students got C's" << endl;
cout << studentDs << " students got D's" << endl;
cout << studentFs << " students got F's" << endl;
}
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