CS201: Introduction to Programming

Assignment No. 1
Semester: Fall 2010
CS201: Introduction to Programming
Total Marks: 20

Due Date: 05th November, 2010
Problem Statement: Calculating No. of A Grades in Class

You are required to write a program which should take input from user in the form of characters A or B. Based upon user’s input you should calculate no. of A grades. You should use while loop or do/while loop for taking input and if / else condition for making decisions.
Detailed Description:

The program should display like;

Please Enter Grade (‘A’ OR ‘B’ )

Then the program should take 10 inputs one by one,

After taking 10 inputs, you should display no. of A grades.
If A grades are less than or equal to 2, you should display a message “Your class is Poor!”.
If A grades are less than or equal to 7, you should display a message “Your class is Good!”.
If A grades are greater than or equal to 8, you should display a message “Your class is Brilliant!”.
The user should enter either A or B. If user has entered other than A or B, e.g. C,D,E etc. Your program should display a message like;
"Please Enter 'A' or 'B' grade only!"

Sample Input and Output

Please Enter Grade of student 1 :
A
Please Enter Grade of student 2 :
A
Please Enter Grade of student 3 :
B
Please Enter Grade of student 4 :
A
Please Enter Grade of student 5 :
B
Please Enter Grade of student 6 :
B
Please Enter Grade of student 7 :
A
Please Enter Grade of student 8 :
B
Please Enter Grade of student 9 :
C

Please Enter ‘A’ or ‘B’ grade only!
Please Enter Grade of student 9 :
A

Please Enter Grade of student 10 :

A



Total No. of A Grades = 6

Your Class is Good!


Solution

include
#include
void main();
{
int a=0, a[10],i;
for(int i=1;i<=10;i++)
{
cout<<"Please Enter Grade (‘A’ OR ‘B’ )\n";
cout<<"Enter the Grade of Student "<
cin>>a[i];
if(grade == 'A')
a++;
}
if(a<=2)
cout<<"Your class is Poor!";
if(a<=7)
cout<<"Your class is Good!";
if(a<=8)
cout<<"Your class is Brilliant!";
}
getch();
}