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categories: Geometry algorithms
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## Algorithms

### Sweep line

### Randomization

## Problems
- [Closest Pair](https://open.kattis.com/problems/closestpair2)

## External links
- [Line Sweep Algorithms](https://www.topcoder.com/community/data-science/data-science-tutorials/line-sweep-algorithms/)
- [Simple approach of "closest pair of points problem"](https://www.youtube.com/watch?v=ytvyHB5SyBI)