---
categories: Graph theory
---

## Problems
- [Forwarding Emails](https://onlinejudge.org/external/124/12442.pdf) [^3]
- [Mafija](https://open.kattis.com/problems/mafija)
- [Kernel Knights](http://cerc.hsin.hr/2015/tasks/cerc2015_problems.pdf) [^2]
- [Portaler](https://po.kattis.com/problems/portaler) (Swedish)
- [Vending Machine](https://open.kattis.com/submissions/1726415)
- [CrazyFunctions](https://community.topcoder.com/stat?c=problem_statement&pm=14266) [^1]

## See also
- [Pseudoforest]()

[^1]: <https://apps.topcoder.com/wiki/display/tc/SRM+700#CrazyFunctions>
[^2]: <http://cerc.hsin.hr/2015/tasks/cerc2015_presentation.pdf>
[^3]: <http://codeforces.com/blog/entry/18716?#comment-236808>