How Can I Solve This

#include <iostream>
#include<string>
#include <list>

#include "Classe.h"
#include "Groupe.h"
#include "Moudule.h"
#include "Professeur.h"
#include "Lemploi.h"


using namespace std;


int main()
{


	Professeur	p1(1,"teggar");
	Professeur	p2(2,"salem");
	Professeur  p3(3,"benmimoun");
	Professeur	p4(4,"dergale");

	Moudule
	    m1(1,"algo cour"),
		m2(2,"GL cour"),
		m3(3,"BDD cour"),
		m4(4,"algo td"),
		m5(5,"algo tp"),
		m6(6,"GL td"),
		m7(7,"LM cour"),
		m8(8,"LM td");

	Groupe
	    g1(1,"g1"),
		g2(2,"g2"),
		g3(3,"g3"),
		g4(4,"g4"),
		g5(5,"g5"),
		g6(6,"g6"),
		g7(7,"g7"),
		g8(8,"g8");

	Classe
	   c1(1,1,&p1,&g1,&m1),
	   c2(2,2,&p1,&g1,&m4),
	   c3(3,3,&p1,&g1,&m5),
	   c4(4,1,&p2,&g1,&m2),
	   c5(5,2,&p2,&g1,&m6),
	   c12(12,2,&p4,&g1,&m8),
	   c13(13,1,&p4,&g1,&m7),
	   c6(6,1,&p1,&g2,&m1),
	   c7(7,2,&p1,&g2,&m4),
	   c8(8,3,&p1,&g2,&m5),
	   c9(9,1,&p2,&g2,&m2),
	   c11(11,2,&p2,&g2,&m6),
	   c14(14,1,&p4,&g2,&m7);

	Lemploi lp;


	   lp.GetMat(0,0).push_back(&c1);
	   lp.GetMat(0,0).push_back(&c9);
	   lp.GetMat(0,1).push_back(&c3);
	   lp.GetMat(0,2).push_back(&c4);
	   lp.GetMat(0,3).push_back(&c7);
	   lp.GetMat(0,1).push_back(&c6);
	   lp.GetMat(0,4).push_back(&c8);
	   lp.GetMat(0,2).push_back(&c2);
	   lp.GetMat(0,4).push_back(&c11);
	   lp.GetMat(0,3).push_back(&c13);

	cout<<"hello this is Working";


     return 0;

}

lp.GetMat(0,0).push_back(&c1);
     lp.GetMat(0,0).push_back(&c9);
     lp.GetMat(0,1).push_back(&c3);
     lp.GetMat(0,2).push_back(&c4);
     lp.GetMat(0,3).push_back(&c7);
     lp.GetMat(0,1).push_back(&c6);
     lp.GetMat(0,4).push_back(&c8);
     lp.GetMat(0,2).push_back(&c2);
     lp.GetMat(0,4).push_back(&c11);
     lp.GetMat(0,3).push_back(&c13);