老师布置的作业，可是在输入数据后系统崩了？求解。谢谢

#include <iostream>
#include <string.h>

using namespace std;
class Teacher;
class Student{
public:
    friend class Teacher;
    Student(char *,int);
    ~Student(){}
private:
    char * m_pName;
    int m_iScore;

};

Student::Student(char *name,int score)
{

    m_pName=new char[strlen(name)+1];
    strcpy(m_pName,name);
    m_iScore=score;
}

class Teacher{
public:
    Teacher(int MAXSIZE)
    {
     m_pStu=new Student*[MAXSIZE];
   }
    ~Teacher()
    {
        delete []m_pStu ;
        m_pStu=NULL;
    }
    void Insert(int);
    void Sort(int);
    void InfoPrint(int);
private:
    Student **m_pStu;
};


void Teacher::Insert(int MAXSIZE)
{
    char *name;
    float score;
    for(int i=0;i<MAXSIZE;i++)
    {
    cout<<"please input the information of the new student";
    cin>>name;
    cin>>score;
    Student *newStu=new Student(name,score);
    m_pStu=&newStu;
    m_pStu=m_pStu+1;
    }

}

void Teacher::Sort(int MAXSIZE)
{
    Student **temp1,**temp2,**temp;
   for(int i=0 ; i<MAXSIZE-1 ;i++)
    for(int j=0; j<MAXSIZE-1-i; j++)
   {
       if( (*(m_pStu+i))->m_iScore > (*(m_pStu+i+1))->m_iScore )
       {
           temp1=m_pStu+i;
           temp2=m_pStu+i+1;
           temp=temp1;
           temp1=temp2;
           temp2=temp;

       }
   }
}
void Teacher::InfoPrint(int MAXSIZE)
{
    for(int i=0;i<MAXSIZE;i++)
    {

        cout<<i<<" Name:"<<(m_pStu[i]->m_pName)<<endl;
        cout<<i<<" Score:"+(*(m_pStu+i))->m_iScore<<endl;
        cout<<endl;
    }
}
int main()
{
    int MAXSIZE;
    cout << "Please input the student's number" << endl;
    cin>>MAXSIZE;

    Teacher teacher(MAXSIZE);
    teacher.Insert(MAXSIZE);
    teacher.Sort(MAXSIZE);
    teacher.InfoPrint(MAXSIZE);
    return 0;
}
[code][/code]