Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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C Program(this is not graded)

Write a program that reads the student information from a tab separated values (tsv) file. The program then creates a text file that records
the course grades of the students. Each row of the tsv file contains the Last Name, First Name, Midterm1 score, Midterm2 score, and the
Final score of a student. A sample of the student information is provided in StudentInfo.tsv. Assume the number of students is at least 1
and at most 20.
The program performs the following tasks:
• Read the file name of the tsv file from the user. Assume the file name has a maximum of 25 characters.
• Open the tsv file and read the student information. Assume each last name or first name has a maximum of 25 characters.
• Compute the average exam score of each student.
• Assign a letter grade to each student based on the average exam score in the following scale:
• A: 90 =<x
o F: x < 60
• Compute the average of each exam.
• Output the last names, first names, exam scores, and letter grades of the students into a text file named report.txt. Output one
student per row and separate the values with a tab character.
• Output the average of each exam, with two digits after the decimal point, at the end of report.txt. Hint: Use the precision sub-specifier
to format the output.
Ex: If the input of the program is:
StudentInfo.tsv
and the contents of StudentInfo.tsv are:
Barrett
Bradshaw
Charlton
Mayo
Stern
o B: 80 =< x < 90
o C: 70 =< x < 80
o D: 60 =<x< 70
Barrett
Bradshaw
Charlton
Mayo
Stern
the file report.txt should contain:
4
5
6
7
8
70 45 59
Reagan 96 97 88
Caius 73 94 80
9
10
11
Edan
Tyrese 88 61 36
Brenda 90 86 45
12
13
14}
15
Averages: midterm1 83.40, midterm2 76.60, final 61.60
70 45 59 F
Reagan 96 97 88 A
73 94 80 B
Tyrese 88 61 36 D
Caius
Brenda 90 86 45 c
1 #include <stdio.h>
2
Edan
int main(void) {
/* TODO: Declare any necessary variables here. */
/* TODO: Read a file name from the user and read the tsv file here. */
/* TODO: Compute student grades and exam averages, then output results to a text file here. */
return 0;
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Transcribed Image Text:Write a program that reads the student information from a tab separated values (tsv) file. The program then creates a text file that records the course grades of the students. Each row of the tsv file contains the Last Name, First Name, Midterm1 score, Midterm2 score, and the Final score of a student. A sample of the student information is provided in StudentInfo.tsv. Assume the number of students is at least 1 and at most 20. The program performs the following tasks: • Read the file name of the tsv file from the user. Assume the file name has a maximum of 25 characters. • Open the tsv file and read the student information. Assume each last name or first name has a maximum of 25 characters. • Compute the average exam score of each student. • Assign a letter grade to each student based on the average exam score in the following scale: • A: 90 =<x o F: x < 60 • Compute the average of each exam. • Output the last names, first names, exam scores, and letter grades of the students into a text file named report.txt. Output one student per row and separate the values with a tab character. • Output the average of each exam, with two digits after the decimal point, at the end of report.txt. Hint: Use the precision sub-specifier to format the output. Ex: If the input of the program is: StudentInfo.tsv and the contents of StudentInfo.tsv are: Barrett Bradshaw Charlton Mayo Stern o B: 80 =< x < 90 o C: 70 =< x < 80 o D: 60 =<x< 70 Barrett Bradshaw Charlton Mayo Stern the file report.txt should contain: 4 5 6 7 8 70 45 59 Reagan 96 97 88 Caius 73 94 80 9 10 11 Edan Tyrese 88 61 36 Brenda 90 86 45 12 13 14} 15 Averages: midterm1 83.40, midterm2 76.60, final 61.60 70 45 59 F Reagan 96 97 88 A 73 94 80 B Tyrese 88 61 36 D Caius Brenda 90 86 45 c 1 #include <stdio.h> 2 Edan int main(void) { /* TODO: Declare any necessary variables here. */ /* TODO: Read a file name from the user and read the tsv file here. */ /* TODO: Compute student grades and exam averages, then output results to a text file here. */ return 0;
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