+backtracking_h= backtracking.h $(susanita_h)
+backtracking.o: backtracking.cpp $(backtracking_h)
+
+parser_h= parser.h $(susanita_h)
+parser.o: parser.cpp $(parser_h)
+
+timer_h= timer.h
+timer.o: timer.cpp $(timer_h)
+
+main.o: main.cpp $(timer_h) $(parser_h) $(galeshapley_h) $(bactraking_h)