cff-version: 1.2.0
message: If you use results from this problem page, please cite it as below.
title: "Cairn Commons — Shortest paths and cycles with prescribed length modulo m"
type: dataset
license: CC-BY-4.0
url: "https://cairn-commons.com/problems/shortest-path-length-modulo-m"
date-released: 2026-10-04
authors:
  - name: Cairn Commons contributors
keywords:
  - "algorithms"
  - "oberwolfach"
  - "shortest-paths"
  - "parity"
  - "group-labelled-graphs"
  - "polynomial-time"