CREATE_T.BAK CREATE_T.CPP CREATE_T.DSK CREATE_T.EXE CREATE_T.OBJ CREATE_T.PRJ GRAPH.BAK GRAPH.CPP GRAPH.DSK GRAPH.EXE GRAPH.OBJ GRAPH.PRJ MAIN1.BAK MAIN1.CPP MAIN1.OBJ PRO1.DSK PRO1.EXE PRO1.PRJ SYMMETR.DSK SYMMETR.EXE SYMMETR.PRJ SYMMETRI.BAK SYMMETRI.CPP SYMMETRI.OBJ TREE.DSK TREE.EXE TREE.PRJ TREECREA.CPP TREEMAIN.BAK TREEMAIN.CPP TREEMAIN.OBJ