Heavy Light Trick + Tree Rerooting Technique + Tree to Array (Euler Tour on Tree)

Revision en4, by Algorithm_, 2021-03-08 21:47:24

Heavy Light Trick:

Resource :

  1. https://www.youtube.com/watch?v=zbV0IRWBNvU&t=7775s

  2. https://www.youtube.com/watch?v=eBGa5w1nsEw&t=149s

  3. https://www.youtube.com/watch?v=94E2ztsDdyI&list=PLWtSipmftM8qmo4ysAvS-aI4nc9nLM-uv&index=2

Practice :

  1. https://codeforces.net/contest/349/problem/E

  2. https://codeforces.net/contest/1468/problem/M

Tree Rerooting Technique:

Resource:

  1. https://m.facebook.com/groups/341771679363942/permalink/1382998865241213/

Practice :

  1. https://codeforces.net/contest/1187/problem/E?fbclid=IwAR3UQ_ksPZm-Y2OJGwvrK3HYyWHMACw0iFdtd7PYoZS98Y-nvfH11LqtthE

  2. https://vjudge.net/problem/EOlymp-1180

  3. https://codeforces.net/problemset/problem/1156/D

Tree to Array (Euler Tour on Tree):

Resource :

  1. https://www.youtube.com/watch?v=0v--9nEFfAM&t=3156s

Practice :

  1. https://lightoj.com/problem/aladdin-and-the-return-journe
Tags #sqrt decomposition

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en4 English Algorithm_ 2021-03-08 21:47:24 228
en3 English Algorithm_ 2021-02-04 22:18:22 55 Tiny change: 'Olymp-1180' -> 'Olymp-1180\n\n3. https://codeforces.net/problemset/problem/1156/D'
en2 English Algorithm_ 2021-01-25 23:21:20 351
en1 English Algorithm_ 2021-01-23 15:28:13 357 Initial revision (published)