problem1\asb1.png
........\bd.jpg
........\camera.png
........\d1.jpg
........\d2.jpg
........\eg.jpg
........\hit.jpg
........\jiemian.asv
........\jiemian.fig
........\jiemian.m
........\match.jpg
........\md.jpg
........\og.jpg
........\s1.jpg
........\s2.jpg
........\SE.bmp
........\se3.bmp
........\sw1.bmp
........\sw2.bmp
problem1