---
id: min-cost-flow
title: "Minimum Cost Flow"
author: Benjamin Qi
description: "?"
prerequisites:
- Platinum - Maximum Flow
frequency: 1
<info-block title="Pro Tip">
Historically restricted to USACO Camp.
</info-block>
(Hungarian)
* Tutorial
* [TopCoder](https://www.topcoder.com/community/data-science/data-science-tutorials/minimum-cost-flow-part-two-algorithms/)
* [Johnson's Algorithm](https://en.wikipedia.org/wiki/Johnson%27s_algorithm)
* Problems
* [April Fool's Problem](http://codeforces.com/contest/802/problem/N)
* [Cow & Exercise](https://codeforces.com/contest/1307/problem/G)
* consider LP dual
