SELECTION CONTROL STRUCTURES

Question

Create a complete C program for lecturers to keep track of students’ assessment.

● Ask the user to enter the type of assessment, either Q for Quiz or A for Assignment.

o Use switch case statement to identify their choice.

o If their choice is Quiz:

▪ Ask the user to enter quiz 1 and quiz 2 marks.

▪ Sum up the marks.

▪ Display the assessment type and total.

o If their choice is Assignment:

▪ Ask the user to enter the assignment marks.

▪ Use if else statement to identify the status of the assignment based

on the table below.

Assignment marks Assignment status

0 to less than 50 Re-do Assignment

50 to less than 70 Good

70 to 100 Excellent

Other values Not available

o Display the assessment type and the assignment status.

o If the user entered other values, display “Invalid assessment code entered”

o Display the results as shown below

Enter type of assesment:Q Enter type of assesment:A

Enter quiz 1 and quiz 2 marks: 7.5 , 10 Enter assignment marks:67

Assesment type:Quiz Assignment type:Assignment

Quiz total:17.50 Status:Good

Answer 1

#include <stdio.h>

#include <ctype.h>

DoQuiz()

{

float quiz1 = -1;

float quiz2 = -1;

while (quiz1<0)

{

printf("Please input quiz1 mark :>");

scanf("%f",&quiz1);

}

while (quiz2<0)

{

printf("Please input quiz2 mark :>");

scanf("%f",&quiz2);

}

printf(" Assessment type: Quiz \n");

printf(" quiz marks: %6.2f and %6.2f \n ",quiz1,quiz2);

printf(" quiz total: %6.2f \n",(quiz1+quiz2));

}

DoAssignment()

{

float x=-1;

while (x<0)

{

printf("Please input the assignment mark :>");

scanf("%f",&x);

}

printf(" Assessment type: Assignment \n");

printf(" Assignment mark: %6.2f \n",x);

printf(" Status: ");

if ((x>=0) && (x<50))

{

printf(" Re-do Assignment \n");

}

else if ((x>=50) && (x<70))

{

printf(" Good \n");

}

else if ((x>=70) && (x<=100))

{

printf(" Excellent \n");

}

else

{

printf(" Not available \n");

}

}

Go()

{

char assessment_type = '?';

while ((assessment_type != 'Q') && (assessment_type!='A'))

{

printf(" Please input the type of assessment: Q=Quiz A = Assignment :>");

scanf("%c",&assessment_type);

fflush(stdin);

assessment_type = toupper(assessment_type);

}

switch (assessment_type)

{

case 'Q':

{

DoQuiz();

break;

}

case 'A':

{

DoAssignment();

break;

}

default:

{

printf(" Invalid assessment code entered \n");

break;

}

}

}

int main()

{

Go();

}