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