stefdasca's blog

Codeforces Round #631 — Video Editorials(Div2 BCD)
By stefdasca, history, 5 years ago, In English

Hello!

Since the editorials are still not out, I prepared video editorials for div2 B, C and D.

B

C

D

Check the videos and if you liked them, subscribe to the channel for more CP content

  • Vote: I like it
  • +105
  • Vote: I do not like it

»
5 years ago, # |
← Rev. 2   Vote: I like it +16 Vote: I do not like it

This is much better than usual Editorials
Please keep doing this.

→ Reply
»
5 years ago, # |
  Vote: I like it 0 Vote: I do not like it

Where is the channel link or tell me the channel name

→ Reply
  • »
    »
    5 years ago, # ^ |
      Vote: I like it +3 Vote: I do not like it

    @T_tasir he provided the video links in the blog you can just check it from there.

    Anyways, the channel name is "Stefan Dascalescu" and click here to go to his channel.

    → Reply
»
5 years ago, # |
  Vote: I like it 0 Vote: I do not like it

Can anyone explain why O(n^2) would not work for div 2 B?

→ Reply
  • »
    »
    5 years ago, # ^ |
      Vote: I like it 0 Vote: I do not like it

    Look at the constraints of n it will go (200000)^2 =>4 x 10^10 cf compiler can execute only approx. 10^8 operations per second so it will give TLE.

    → Reply
»
5 years ago, # |
  Vote: I like it +1 Vote: I do not like it

Thanks for these video editorials

→ Reply