fish0\fish.CPP
.....\FISH.EXE
.....\fish_ok.CPP
.....\FISH_OK.EXE
.....\说明.txt
....1\FISH1_OK.CPP
.....\output.CPP
....2\fish.CPP
.....\FISH.EXE
.....\fish_ok.cpp
.....\FISH_OK.EXE
.....\说明.txt
谁养鱼.txt
说明.txt
fish0
fish1
fish2