prog.exe: main.o student.o  stack.o list.o tree.o
	g++ main.o student.o stack.o list.o tree.o -lm -o prog.exe
main.o: main.cpp student.h  stack.h list.h tree.h
	g++ -c main.cpp -lm
student.o: student.cpp student.h stack.h list.h tree.h
	g++ -c student.cpp -lm
stack.o: stack.cpp stack.h list.h tree.h
	g++ -c stack.cpp -lm
list.o: list.cpp list.h tree.h
	g++ -c list.cpp -lm
tree.o: tree.cpp tree.h
	g++ -c tree.cpp -lm