variables and scopes in c++ problem

//bona.h


class SLList;
class student 
{
	char FullName [100];
	float FinalMark ;
	int ArrayOfWishes[3];
	student *next;
public:
	student();
	student(char[],float,int[]);
	student(const student&);
	~student();
	void set_name(char[]);
	void set_final_mark(float);
	void set_wishes(int,int,int );
	friend class SLList;
	friend void print(student&);
	friend void AccepteInWill(student&,int);
	const char* getName(){return FullName;}
	float getMark(){return FinalMark;}
	int getWish(int a){return ArrayOfWishes[a];}

};
class SLList
{
	student*head;
public:
	SLList();
	~SLList();
	void AddToList(student*);
	bool IsEmpty();
};
void AccepteInWill(student&,int);
void test_vality_of_wish(int,int,int,int,int,int,int,int,int,int);
//************************************************
// bona.cpp
#include"bona.h"
#include < iostream >
#include < cstring >
using namespace std;
student::student()
{
	FullName[100]=NULL;
	FinalMark=NULL;
	ArrayOfWishes[3]=NULL;
	next=NULL;
}
student::student(char name[],float mark,int a[])
{
	set_name(name);
	set_final_mark(mark);
	set_wishes(a[0],a[1],a[2]);
	next=NULL;

}
student::student(const student&s)
{
	strcpy(FullName,s.FullName);
	FinalMark=s.FinalMark;
	ArrayOfWishes[0]=s.ArrayOfWishes[0];
	ArrayOfWishes[1]=s.ArrayOfWishes[1];
	ArrayOfWishes[2]=s.ArrayOfWishes[2];
}
student::~student()
{
	for(int i=0;i<sizeof(fullname);i++)>
		FullName[i]=NULL;
	FinalMark=0;
	for(int i=0;i<3;i++)
		ArrayOfWishes[i]=0;

}
void student::set_name(char name[])
{
	strcpy(FullName,name);}
void student::set_final_mark(float mark)
{
	if(mark>=60&&mark<=100)
		FinalMark=mark;
	else
		throw invalid_argument("invalid mark");
}
void student::set_wishes(int a1,int a2,int a3)
{
	if((a1>=1&&a1<=8)&&(a2>=1&&a2<=8)&&(a3>=1&&a2<=8))
	{
		ArrayOfWishes[0]=a1;
		ArrayOfWishes[1]=a2;
		ArrayOfWishes[2]=a3;
	}
	else throw invalid_argument("wish number 1,wish number 2 or/and wish number 3 are invalid input");
}
SLList::SLList()
{
	head=NULL;
}
SLList::~SLList()
{
	student*i=head;
	while(!IsEmpty())
	{
		i=i->next;
		delete i;
		head=i;
	}

}
bool SLList::IsEmpty()
{
	if(head=NULL)
		return true;
	else
		return false;
}

void SLList::AddToList(student*s)
{
	if(IsEmpty())
		head=s;
	else
	{
		student*i,*j;
		i=head;
		j=i->next;
		while(j!=NULL)
		{
			if(((s->getMark()) >( i->getMark()) )&&((s->getMark()) <( j->getMark())))
			{
				s->next=j;
				i->next=s;
			}
		}
	}
}
void test_vality_of_wish(int u,int a,int b,int c,int d,int e,int f,int g,int h,int q,student& i)
{
	if(u<=3)
	{
		static int j1=1,j2=1,j3=1,j4=1,j5=1,j6=1,j7=1,j8=1,j9=1;
		switch(i.getWish(u))
		{
				case (1):
					if(j1<=a)
					{

							AccepteInWill(i,1);
							j1=j1+1;
					}
					else
						test_vality_of_wish(u+1,a,b,c,d,e,f,g,h,q,i);
					break;
				case(2):
					if(j2<=b)
					{

							AccepteInWill(i,2);
							j2=j2+1;
					}
					else
						test_vality_of_wish(u+1,a,b,c,d,e,f,g,h,q,i);
					break;
				case(3):	
					if(j3<=c)
					{

							AccepteInWill(i,3);
							j3=j3+1;
					}
					else
						test_vality_of_wish(u+1,a,b,c,d,e,f,g,h,q,i);
					break;
				case(4):
						if(j4<=d)
					{

							AccepteInWill(i,4);
							j4=j4+1;
					}
					else
						test_vality_of_wish(u+1,a,b,c,d,e,f,g,h,q,i);
					break;
				case(5):
					if(j5<=e)
					{

							AccepteInWill(i,5);
							j5=j5+1;
					}
					else
						test_vality_of_wish(u+1,a,b,c,d,e,f,g,h,q,i);
					break;
				case(6):
					if(j6<=f)
					{

							AccepteInWill(i,6);
							j6=j6+1;
					}
					else
						test_vality_of_wish(u+1,a,b,c,d,e,f,g,h,q,i);
					break;
				case(7):
					if(j7<=g)
					{

							AccepteInWill(i,7);
							j7=j7+1;
					}
					else
						test_vality_of_wish(u+1,a,b,c,d,e,f,g,h,q,i);
					break;
				case(8):
					if(j8<=h)
					{

							AccepteInWill(i,8);
							j8=j8+1;
					}
					else
						test_vality_of_wish(u+1,a,b,c,d,e,f,g,h,q,i);
					break;
	}
	}
}


	
/////****************************************////
//main.cpp
#include<iostream>
#include"bona.h"
using namespace std;
int main()
{

	int a=0,b=0,c=0,d=0,e=0,f=0,g=0,h=0,all_student=0;
	student*wishNumber1=new student[a];
	student*wishNumber2=new student[b];
	student*wishNumber3=new student[c];
	student*wishNumber4=new student[d];
	student*wishNumber5=new student[e];
	student*wishNumber6=new student[f];
	student*wishNumber7=new student[g];
	student*wishNumber8=new student[h];
	student*Denied_student=new student[(all_student-a-b-c-d-e-f-g)];
	return 0;
}