国际C语言混乱代码大赛（IOCCC, The International Obfuscated C Code Contest）是一项国际编程赛事，从1984年开始，每年举办一次（1997年、1999年、2002年、2003年和2006年例外）。目的是写出最有创意的最让人难以理解的C语言代码。 

Best of Show奖作品，点击查看大图

第20届（2011年度）IOCCC获奖情况：

Most devolving

Philip Blakely(UK) - Life/reverse life

Best data utility

Szabolcs Borsanyi(Germany) - Bar graph plotter

Most self deprecating

David Lowe(USA) - Neural network classifier

Best ball

Peter Eastman(USA) - Bouncing Ball in ANSI Graphics

Most useful

Kimmo Fredriksson(Finland) - Aproximate grep

Most artistic

Uri Goren(Israel) - Magritte tribute

Best self documenting program

Hou Qiming(China) - Scientific calculator

Best one liner

Taketo Konno(Japan) - QWERTY keyboard position identifer

Best solved puzzle

Shinichiro Hamaji(Japan) - Paint by number puzzle

Best solved puzzle

bsoup(Japan) - Paint by number puzzle

Most surprisingly portable

Gregor Richards(USA) - JIT dc

Best non-chess game

Oscar Toledo G.(Mexico) - Dual player tank shooter game

Most sound

Daniel Vik(USA) - Tracker player

Most shiny

Matt Zucker(USA) - Text raytracing

Best of Show - Most Shrinkable

Don Yang(USA) - Downsampler with 3 embeded programs

附：所有得奖代码下载地址