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Update docs/graph/tree-centroid.md
authormgt <mgt@oi-wiki.org>
Sat, 19 Sep 2020 12:09:59 +0000 (20:09 +0800)
committerGitHub <noreply@github.com>
Sat, 19 Sep 2020 12:09:59 +0000 (20:09 +0800)
Co-authored-by: Nano <nanoapezlk@gmail.com>
docs/graph/tree-centroid.md

index 7833f36..e6fc073 100644 (file)
@@ -52,4 +52,4 @@ author: Ir1d, TrisolarisHD, LucienShui, Anguei, H-J-Granger
 ## 习题
 
 -  [POJ 1655 Balancing Art](http://poj.org/problem?id=1655) (模板题)
--  [CodeForces 1406 C Link Cut Centroids](https://codeforces.com/contest/1406/problem/C) 
+-  [CodeForces 1406C Link Cut Centroids](https://codeforces.com/contest/1406/problem/C)