Judgels
A modern programming contest system.
Various problem types
Batch, interactive, output-only, and functional / grader (IOI 2010+) problem types, with and without subtasks. Supports multilanguage problem statement.
Rich contest features
IOI- and ICPC-style contests. Supports virtual contests where contestants can start at different times. Various user roles such as contest managers and supervisors.
Easy to deploy
Packaged as Docker images. Can be easily deployed using our Ansible scripts.