---
categories: Graph algorithms, Graph theory
---

## Problems
- [Achromatic Number](http://codeforces.com/gym/100431) [^1]
- [Korn](http://codeforces.com/gym/100962)
- [Checkers](http://www.acmicpc-pacnw.org/ProblemSet/2015/Statements/div1.pdf) [^2]

## See also
- [Chinese postman problem]()
- [De Bruijn sequence]()
- [BEST theorem]()


[^1]: <http://codeforces.com/group/qo1icaI3vI/blog/entry/843>
[^2]: <http://www.acmicpc-pacnw.org/ProblemSet/2015/Writeup.html>