des
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...\de
...\..\answer.txt
...\..\Debug
...\..\decode.cpp
...\..\decode.dsp
...\..\decode.dsw
...\..\decode.ncb
...\..\decode.opt
...\..\decode.plg
...\..\key.txt
...\..\original.txt
...\decode.exe
...\en
...\..\answer.txt
...\..\Debug
...\..\encode.cpp
...\..\encode.dsp
...\..\encode.dsw
...\..\encode.exe
...\..\encode.ncb
...\..\encode.opt
...\..\encode.plg
...\..\incode.txt
...\..\key.txt
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...\incode.txt
...\key.txt
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