#include"subject.h"
#include <string.h>
float subject::read_credit ()
{
	return credit;
}
void subject::get_credit (float a)
{
	credit=a;
}
void subject::get_kname (char N[])
{
	strcpy(N,kname);
}
void subject::set_kname (char N[])
{
	strcpy(kname,N);
}
void subject::findstudent(student_message *P)
{
	student_name *newcode = new student_name;
	newcode->Next=NULL;
	first = newcode;
	student_name *T = first;
    student_message*K = P->Next;
	while(K)
	{
		course *Y = K->stu.retroot();
		if(Y ==NULL)
		{
			K = K->Next;
			continue;
		}
		if(Y!=NULL) 
			Y = Y->Next;
		while(Y)
		{   if(strcmp(Y->cname,kname)==0)
			{
				student_name *Acode = new student_name;
				char Name[20];
				K->stu.getname(Name);
				strcpy(Acode->tname,Name);
				Acode->result = Y->mark;
				Acode->Next = T->Next;
				T->Next = Acode;
				activestudnet = activestudnet + 1;
				break;
			}
            Y = Y->Next;
		}
		K = K->Next;
	}
	return ;
}