#include<iostream.h>
#include<fstream.h>
#include<string.h>
class database{
public:
virtual double store_data(void);
virtual void save(ofstream &file);
virtual double GetPassingMark(int pass);
virtual void display(void);
virtual void edit(void);
protected:
void data(void);
//database(){cout<<"constructing";}
//~database(){cout<<"destructing";}
};
double database::store_data(void)
{
char code[100];
double totalmark,laboraty,exam,assignment,sum_assignment;
int i,no_of_parts,a,pass;
totalmark=0;
for(i=0;i<7;i++)
{
cout<<"=======================================================\n";
cout<<"1.enter the subject code"<<i+1<<"\n";
cin>>code;
cout<<"2.Enter no of assigments\n:";
cin>>no_of_parts;
sum_assignment=0;
for(a=0;a<no_of_parts;a++)
{
cout<<"assignment"<<a+1<<":";
cin>>assignment;
sum_assignment=sum_assignment+assignment;
}
cout<<"4.labotary\n";
cin>>laboraty;
cout<<"5.exam\n";
cin>>exam;
totalmark=sum_assignment+laboraty+exam;
GetPassingMark(totalmark);
cout<<"=======================================================\n";
}
}
void database::save(ofstream &file)
{
int index,assignment,i,no_of_parts,a;
char code[100];
double laboraty,exam,sum_assignment;
for(i=0;i<7;i++)
{
file<<"Subject code"<<code<<endl;
file<<"no of assignments"<<no_of_parts<<endl;
file<<"total marks"<<sum_assignment<<endl;
for (a=0;a<no_of_parts;a++)
{
save(file);
}
}
}
double database::GetPassingMark(int pass)
{
cout<<"Your total mark is:"<<pass;
if(pass>=40)
{
cout<<"\nYou have already passed the subject.....oh yeah\n";
}
else
{
cout<<"\nMarks required to pass="<<(40-pass)<<endl;
}
}
void database::display(void)
{
}
void database::edit(void)
{
}
int main(void)
{
database work;
ofstream file;
int option;
cout<<"Please make your selection\n";
cout<<"1.insert data\n";
cout<<"2.edit the stored data\n";
cout<<"3.display the stored result\n";
cout<<"4.exit\n";
cin>>option;
switch(option)
{
case 1:work.store_data();
file.open("D:\\A.txt",ios::app);
work.save(file);
file.close();
break;
default: break;
case 2:;
//case 3:break;
//case 4:break;
}
return(0);
}
karthz85
-2
Newbie Poster
Recommended Answers
Jump to PostI think you should declare those variables that you are trying to store first of all. You can do that in the scope of the class which would be easier or in function main passing them by reference to function store_data.
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