# Euler trail與circuit

[目錄呈現與來源綁定資料](https://ocme.evemisslab.com/data/i18n/catalogue.en.json)



## [Euler trail與circuit](https://ocme.evemisslab.com/zh-Hant/atlas/atlas-eulerian-trail/)

Euler trail恰用每條邊一次；非零邊支撐連通且奇度數為0或2時分別有circuit或open trail。

atlas-eulerian-trail · canonical_mko

[Euler trail與circuit](https://ocme.evemisslab.com/zh-Hant/mko/mko-eulerian-trail/)

## 前置節點


- [圖walk與simple path](https://ocme.evemisslab.com/zh-Hant/atlas/atlas-graph-walk-simple-path/)
- [有限簡單無向圖](https://ocme.evemisslab.com/zh-Hant/atlas/atlas-graph/)
- [連通分量](https://ocme.evemisslab.com/zh-Hant/atlas/atlas-connected-component/)