Problems
Problems of the open stage and of stages that have ended.
Testing stage
Open until 4 Jan 2027Until Stage 1 opens, a testing stage runs with a few practice problems so you can register, try the submission format and get used to the flow. Its scores don't count towards the competition.
ProblemIndexThe problem's key: its folder name in a submission, and its name in URLs and the API.Time limit
- Dial-a-Ride Problem (DARP)Routingcordeau200660 s per instance · 2 test instances
- Orienteering Problem (OP)Routingfischetti199860 s per instance · 2 test instances
- Origin-Destination Integer Multicommodity Flow (ODIMCF)Network Design & Locationbarnhart200060 s per instance · 1 test instance
- Set Partitioning for Airline Crew Scheduling (SPP)Schedulinghoffman199360 s per instance · 1 test instance