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usaco-guide/content/6_Plat/Sweep_Line.mdx
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---
id: sweep-line
title: "Sweep Line"
author: Benjamin Qi
description: Introduction to line sweep.
---
## Sweep Line
<resources>
<resource source="CPH" title="30.1, 30.2 - Sweep Line Algorithms"></resource>
</resources>
### Tutorial
- CPH 30
- [TopCoder Line Sweep](https://www.topcoder.com/community/competitive-programming/tutorials/line-sweep-algorithms/)
## Closest Pair
- [Kattis Closest Pair](https://open.kattis.com/problems/closestpair2)
## Line Segment Intersection
- [Cow Steepchase II (Silver)](http://www.usaco.org/index.php?page=viewproblem2&cpid=943)
- :|
## Manhattan MST
https://open.kattis.com/problems/gridmst
CSA 84 The Sprawl
TC 760 ComponentsForever