Write a C/C++ program that asks the user for three integer marks. These are the student marks out of 25 for class tests. Subsequently the program must ask the user for a big test mark out of 50. Test all values for validity. If a value is invalid, a message must be displayed, and the user must be repeatedly given chance to correct the input. The final mark is calculated with 50% class tests and 50% big test mark. The program must display the final mark, as well as a symbol representing the mark (see Table 1.1). The program must repeat until the user enters "-1" for the first class test. After the user has entered "-1", the program must display a summary of the marks, i.e. the average final mark, highest final mark, and lowest final mark. The program also displays the number of students that pass (mark>=50), pass with distinction (mark=75), and the number of students that fail (mark<50). 75+ 60+ 50+ 40+ 30+ *** Table 1.1 A B с D E F

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Write a C/C++ program that asks the user for three integer marks. These are the student marks out of
25 for class tests.
Subsequently the program must ask the user for a big test mark out of 50.
Test all values for validity. If a value is invalid, a message must be displayed, and the user must be
repeatedly given chance to correct the input.
The final mark is calculated with 50% class tests and 50% big test mark.
The program must display the final mark, as well as a symbol representing the mark (see Table 1.1).
The program must repeat until the user enters "-1" for the first class test.
After the user has entered "-1", the program must display a summary of the marks, i.e. the average
final mark, highest final mark, and lowest final mark. The program also displays the number of students
that pass (mark>=50), pass with distinction (mark>=75), and the number of students that fail
(mark<50).
75+
60+
50+
40+
30+
***
Table 1.1
1
A
B
C
D
E
F
Transcribed Image Text:Write a C/C++ program that asks the user for three integer marks. These are the student marks out of 25 for class tests. Subsequently the program must ask the user for a big test mark out of 50. Test all values for validity. If a value is invalid, a message must be displayed, and the user must be repeatedly given chance to correct the input. The final mark is calculated with 50% class tests and 50% big test mark. The program must display the final mark, as well as a symbol representing the mark (see Table 1.1). The program must repeat until the user enters "-1" for the first class test. After the user has entered "-1", the program must display a summary of the marks, i.e. the average final mark, highest final mark, and lowest final mark. The program also displays the number of students that pass (mark>=50), pass with distinction (mark>=75), and the number of students that fail (mark<50). 75+ 60+ 50+ 40+ 30+ *** Table 1.1 1 A B C D E F
--Welcome to markbook--
Enter marks for student 1:
Test number 1 (25): 11
Test number 2 (25): 11
Test number 3 (25): 12
Enter mark for big test (50): 23
Final mark for student 1: 45.67, letter grade: D
Enter marks for student 2:
Test number 1 (25): 13
Test number 2 (25): 23
Test number 3 (25): 23
Enter mark for big test (50): 39
Final mark for student 2: 78.33, letter grade: A
Enter marks for student 3:
Test number 1 (25): 100
Invalid test score. Please reenter: 25
Test number 2 (25): 25
Test number 3 (25): 25
Enter mark for big test (50): 50
Final mark for student 3: 100.00, letter grade: A
Enter marks for student 4:
Test number 1 (25): -1
Summary of marks
Largest: 100
Smallest: 45.6667
Average: 74.67
Transcribed Image Text:--Welcome to markbook-- Enter marks for student 1: Test number 1 (25): 11 Test number 2 (25): 11 Test number 3 (25): 12 Enter mark for big test (50): 23 Final mark for student 1: 45.67, letter grade: D Enter marks for student 2: Test number 1 (25): 13 Test number 2 (25): 23 Test number 3 (25): 23 Enter mark for big test (50): 39 Final mark for student 2: 78.33, letter grade: A Enter marks for student 3: Test number 1 (25): 100 Invalid test score. Please reenter: 25 Test number 2 (25): 25 Test number 3 (25): 25 Enter mark for big test (50): 50 Final mark for student 3: 100.00, letter grade: A Enter marks for student 4: Test number 1 (25): -1 Summary of marks Largest: 100 Smallest: 45.6667 Average: 74.67
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