The 39 open instances of the CVRPLIB X set
Find cheaper routes, or prove optimality, for the 39 X instances of the capacitated vehicle routing problem that are still unsolved.
| 1 | { |
| 2 | "domain": "computer-science", |
| 3 | "topics": [ |
| 4 | "vehicle-routing", |
| 5 | "integer-programming" |
| 6 | ], |
| 7 | "type": "algorithm", |
| 8 | "also": [ |
| 9 | "proof" |
| 10 | ], |
| 11 | "source": { |
| 12 | "key": "cvrplib", |
| 13 | "name": "CVRPLIB", |
| 14 | "url": "https://galgos.inf.puc-rio.br/cvrplib/en/instances/1", |
| 15 | "id": "X set", |
| 16 | "curator": "CVRPLIB maintainers (PUC-Rio)", |
| 17 | "poser": "Uchoa, Pecin, Pessoa, Poggi, Vidal and Subramanian", |
| 18 | "status": "open", |
| 19 | "as_of": "2026-10-20", |
| 20 | "catalog": "0521c19bbd38" |
| 21 | }, |
| 22 | "review": true, |
| 23 | "approval": "first-time" |
| 24 | } |