> For the complete documentation index, see [llms.txt](https://liuzhenglaichn.gitbook.io/algorithm/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://liuzhenglaichn.gitbook.io/algorithm/dynamic-programming/dp-on-tree.md).

# Dp On Tree

## Problems

* [1896. Minimum Cost to Change the Final Value of Expression (Hard)](https://leetcode.com/problems/minimum-cost-to-change-the-final-value-of-expression/)