International Obfuscated C Code Contest
concours international de code C obscur
Active
Semi-annually
IOCCC
—Landon Curt Noll, 2011
المسابقة الدولية لبرامج لغة C المخفية
Programmierwettbewerb
Dec 2025
Hacking the contest rules is a tradition.
Coding contest
国际C语言混乱代码大赛
The logo of the IOCCC
Landon Curt Noll, Larry Bassel
computer programming contest