The 29th International Obfuscated C Code Contest (IOCCC) 2025 Winners (ioccc.org)

Article summary

The 29th International Obfuscated C Code Contest (IOCCC) has announced its winners, with a range of creative and complex submissions. The contest saw a high volume and quality of submissions, with some authors achieving a 'hat trick' by winning multiple awards. The winning entries are available to download and include a GameBoy emulator, a Subleq computer, and a patch/diff quine. The contest organizers have also provided information on how to compile and run the winning entries.

Main themes

• Obfuscated C Code Contest
• Programming challenges
• Code creativity
• Contest organization
• AI-generated code
• Code obfuscation techniques

What commenters say

• The IOCCC website is difficult to navigate, making it hard to find and access the winning entries.
• Some commenters believe that using AI tools to generate code is against the spirit of the contest, while others argue that it is allowed and can be a useful tool.
• The use of AI-generated code raises questions about the role of creativity and human ingenuity in programming contests.
• The ability of large language models to deobfuscate code is impressive, but they struggle to generate truly obfuscated code themselves.
• The IOCCC rules and guidelines are unclear on the use of AI tools, leading to confusion and debate among commenters.
• Some commenters argue that the contest has become too focused on showcasing clever tricks and obfuscation techniques, rather than promoting good programming practices.
• The use of AI tools in programming contests can be seen as a way to level the playing field, but others argue that it undermines the value of human creativity and skill.