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### dardev's blog

By dardev, 3 years ago,

Hi,

I am planning to post all solutions of CSES graph series; while also discussing the necessary theory involved.

Update: I reuploaded the first 12 videos with better audio quality. All audios are good now.

Here is the entire playlist: https://www.youtube.com/watch?v=oglZA8d6rRw&list=PL2S6Mj7iLqEjNVq0e-pZ9rSnpAacHzVm3

1. Intro part 1: https://www.youtube.com/watch?v=oglZA8d6rRw

2. Intro part 2: https://www.youtube.com/watch?v=5NOQmseaH6A

3. CSES 1: Counting Rooms(1192): https://www.youtube.com/watch?v=WUqkIH1gHMM

4. CSES 2: Labyrinth(1193): https://www.youtube.com/watch?v=s0DnJ0CdNEE

6. CSES 4: Message Route https://www.youtube.com/watch?v=TJolGL0G3O4

7. CSES 5: Building Teams: https://www.youtube.com/watch?v=MDTq58KLIx0

8. CSES 6: Round Trip: https://www.youtube.com/watch?v=qYyyj2SRsRc

9. CSES 7: Monsters: https://www.youtube.com/watch?v=hB59dxdDLII

10. Theory Time: Heaps Part 1 — Intro to Heaps, Trees, Rooting a Tree, Binary Tree, Complete Binary Tree https://www.youtube.com/watch?v=pc-m_251X6k

11. Theory Time: Heaps Part 2 — Inserting, Retrieving, Heapfication into Heap https://www.youtube.com/watch?v=LzBJefIvZ80

12. Theory Time: Heaps Part 3 — Flattening Heap into Vector. Navigating a Flattened Tree https://www.youtube.com/watch?v=HZYeAEaT5j0

13. CSES 8: Shortest Routes I: https://www.youtube.com/watch?v=ditJWdFqoXk

14. CSES 9: Shortest Routes II: https://www.youtube.com/watch?v=sdy6qXlB7g8

15. CSES 10: High Score: https://www.youtube.com/watch?v=2Epc8xZObIc

16. CSES 11: Flight Discount: https://www.youtube.com/watch?v=GZtZXhir7Wg

17. CSES 12: Cycle Finding: https://www.youtube.com/watch?v=kZfm68XKC58

18. CSES 13: Flight Routes: https://www.youtube.com/watch?v=009PBKHXtyA

19. CSES 14: Round Trip II: https://www.youtube.com/watch?v=kzeAHV2Pw2o

20. CSES 15: Course Schedule: https://www.youtube.com/watch?v=NLgYD6oFK2E

21. CSES 16: Longest Flight Route: https://youtu.be/9HMawd5jn9A

22. CSES 17: Game Routes: https://youtu.be/g_1qUIlpuzg

23. CSES 18: Investigation: https://youtu.be/Obwl9U6i-6o

24. CSES 19: Planet Queries I:

25. Theory Time: Least Common Ancestor by Binary Lifting (More LCA techniques will be covered as we cover more techniques in this series)

26. CSES 20: Planet Queries II

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