compileall: main.o average.o summation.o 
	g++ main.o average.o summation.o -o run		

main.o: main.cpp
	g++ -c main.cpp	

average.o: average.cpp
	g++ -c average.cpp

summation.o: summation.cpp
	g++ -c summation.cpp

clean:
	rm -f *.o *.out *.exe