Centroid Decomposition

[D17LP0016 (Bhanu Raghav)]

Could someone give me a good link from where I could study this topic

[Anubhav-Aron-1353657628083250 (Anubhav Aron)]

https://codeforces.com/group/z2CGOs8qrd/blog/entry/4052?fbclid=IwAR0d6ibtOrBBIaswJ6fkII65TV_WNnjl7vDxDvHUmXWV_1JuPgNIa62K2iw