From 670cbaa2c8cfd742993a43542258f8ebd6a320c8 Mon Sep 17 00:00:00 2001
From: Mirco Paul <63196848+Electron1997@users.noreply.github.com>
Date: Thu, 6 Feb 2025 22:26:53 +0100
Subject: [PATCH] Add practice problems

Add some Burnside lemma practice problems sorted by difficulty
---
 src/combinatorics/burnside.md | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/combinatorics/burnside.md b/src/combinatorics/burnside.md
index fa799399c..894b1e87d 100644
--- a/src/combinatorics/burnside.md
+++ b/src/combinatorics/burnside.md
@@ -266,3 +266,8 @@ int solve(int n, int m) {
     return sum / s.size();
 }
 ```
+## Practice Problems
+* [CSES - Counting Necklaces](https://cses.fi/problemset/task/2209)
+* [CSES - Counting Grids](https://cses.fi/problemset/task/2210)
+* [Codeforces - Buildings](https://codeforces.com/gym/101873/problem/B)
+* [CS Academy - Cube Coloring](https://csacademy.com/contest/beta-round-8/task/cube-coloring/)