learnsystem\1notice.txt
...........\1question0.txt
...........\1question1.txt
...........\1question2.txt
...........\course.cpp
...........\course.h
...........\course.txt
...........\runMain.cpp
...........\student.cpp
...........\student.h
...........\student.txt
...........\system.cpp
...........\system.h
...........\teacher.cpp
...........\teacher.txt
learnsystem