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--
CM
"Neil Butterworth" <neil_butterworth@lineone.net> wrote in message
news:3db31a56$1_1@mk-nntp-1.news.uk.worldonline.com...
>
> "CM" <mckenzie992@comcast.net> wrote in message
> news:ESudnc40b4i4hS6gXTWcow@comcast.com...
> > Hello everyone,
> > I thought I had finished a c++ V2
>
> What does "V2" mean?
>
> > program when I ended up having several
> > unexpected compilation errors that I am not sure how to fix.
>
> All compilation errors are unexpected.
>
> The jist of
> > the program is to take 5 student names, 5 ids for those students, 3
grades
> > for each student and then calculate gpa displaying in a table format:
> > Name    Name 1     Name 2
> > Id            999            222
> > Grade 1     90        80
> > Grade 2     90        80
> > Grade 3
> > GPA
> > etc.
> >
> > I have included what I have so far, was hoping someone could help to
find
> my
> > mistake.
> > #include <string>
> > #include <iostream>
> > using namespace std;
> > #include <stdlib.h>
> > void main()
> > {
> > int noOfGrades=3;
> > int noOfStudents=5;
> > char names[noOfStudents]; // array of names (strings)
> > char ID[noOfStudents]; // array of ID's (strings)
> > double Grades[noOfStudents][noOfGrades]; // array of 5 arrays each of 3
>
> Your basic problem is here - the dimensions of automatic arrays in C++
must
> be constants known at compile time. One way of fixing your code would be
to
> declare your dimension sizes as:
>
> const int noOfGrades=3;
> const int noOfStudents=5;
>
> This will fix some, but not all. problems in your code. Patch these fixes
> in, try to fix the remaining problems and if you can't post here again.
But
> remember, we don't do homework for you.
>
> NeilB
I didn't copy over the correct instance ..  here is the runtime error.

#include <string>
#include <iostream>
using namespace std;
#include <stdlib.h>
void main()
{
const int noOfGrades=3;
const int noOfStudents=5;
char names[noOfStudents]; // array of names (strings)
char ID[noOfStudents]; // array of ID's (strings)
double Grades[noOfStudents][noOfGrades]; // array of 5 arrays each of 3
//elements (each student has 3 double grades)
double GPA[5]; // array of gpa's (doubles)
float points;
int i,j;

for (i=0;i<noOfStudents;i++)
{
j=0;
points=0;
cout<<"Enter information for Student #"<<i+1<<":"<<endl;
cout<<"\tName: ";
//cin.getline(names[20],[i]);
cin>>names[i];
cout<<"\n\tID: ";
//cin.getline(ID[i],5);
cin>>ID[i];
for (j=0;j<noOfGrades;j++)
{
cout<<"\t\nGrade #"<<j+1<<": ";
cin>>Grades[i][j];
if (Grades[i][j] >= 0  && Grades[i][j] <= 59)
points+=0;
if (Grades[i][j] >= 60 && Grades[i][j] <= 64)
points+=1.0;
if (Grades[i][j] >= 65 && Grades[i][j] <= 69)
points+=1.5;
if (Grades[i][j] >= 70 && Grades[i][j] <= 74)
points+=2.0;
if (Grades[i][j] >= 75 && Grades[i][j] <= 79)
points+=2.5;
if (Grades[i][j] >= 80 && Grades[i][j] <= 84)
points+=3.0;
if (Grades[i][j] >= 85 && Grades[i][j] <= 89)
points+=3.5;
else
points+=4.0;
}
GPA[i]=points/noOfGrades;
}

cout<<"\nName\t";
for (i=0;i<noOfStudents;i++)
{
cout<<"\t"<<names[i];
}

cout<<"\nID\t";
for (i=0;i<noOfStudents;i++)
{
cout<<"\t"<<ID[i];
}

for (j=0;j<noOfGrades;j++)
{
cout<<"\nGrade #"<<j+1<<"\t";
for (i=0;i<noOfStudents;i++)
{
cout<<"\t"<<Grades[i][j];
}
}

cout<<"\nGPA\t";
for (i=0;i<noOfStudents;i++)
{
cout<<"\t"<<GPA[i];
}

}