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
