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categories: Algorithm techniques
---

## Problems
- [Sculpture](https://open.kattis.com/problems/sculpture)
- [Tracking Bio-bots](https://archive.algo.is/icpc/2010/2010WorldFinalProblemSet.pdf)
- [Maximum Spanning Forest](https://archive.algo.is/icpc/asia_east/changchun/2015/statements.pdf)

## External links
- [What is coordinate compression?](https://www.quora.com/What-is-coordinate-compression)