2. Write a program that reads students’ names followed by their test scores. The

Question

2. Write a program that reads students’ names followed by their test scores. The
program should output each student’s name followed by the test scores and
the relevant grade. It should also find and print the highest test score and the
name of the students having the highest test score.

Student data should be stored in a struct variable of type studentType,
which has four components: studentFName and studentLName of type
string, testScore of type int ( testScore is between 0 and 100 ), and
grade of type char. Suppose that the class has 20 students. Use an array of 20
components of type studentType.

Your program must contain at least the following functions:
a. A function to read the students’ data into the array.
b. A function to assign the relevant grade to each student.
c. A function to find the highest test score.
d. A function to print the names of the students having the highest test
score.

Your program must output each student’s name in this form: last name
followed by a comma, followed by a space, followed by the first name; the
name must be left justified. Moreover, other than declaring the variables and
opening the input and output files, the function main should only be a
collection of function calls.

Explanation / Answer

#include #include #include #include using namespace std; struct studentType { string studentFName; //Stores the student's first name string studentLName; //Stores the student's last name int testscore; //stores the test score char grade; //stores letter grade }; studentType students[20]; //initializes an array called students of the type studentType void getData(studentType sList[], int listSize); void calculateGrade(studentType sList[], int listSize); int highestScore(const studentType sList[], int listSize); void printResult(const studentType sList[],int listSize); void StuRead(ifstream& indata, studentType students[]) { int x = 0; for (x = 1; x < 20; x++) { ifstream inFile; inFile >> students[x].studentLName >> students[x].studentFName >> students[x].testscore; } } char AssignGrade(char LetterGrade, studentType students[]) { char grade = 0; //variable to hold the students grade if(LetterGrade > 90) grade = 'A'; else if (LetterGrade > 80) grade = 'B'; else if (LetterGrade > 70) grade = 'C'; else if (LetterGrade > 60) grade = 'D'; else if (LetterGrade < 59) grade = 'F'; return grade; } void Highest(studentType students[20]) { int highTest = 0; int x = 0; for(x = 0; x < 20; x++) { if(x > highTest) highTest = x; } } int main () { ifstream inFile; inFile.open("scores.txt"); ofstream outFile; outFile.open("studentResults.txt"); StuRead(inFile, studentType students[]); //receive the following errors at this line: syntax error expected ')' //syntax error: missing ')' before identifier "students' //'studenType': illegal use of this type of expression return 0; }

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