striver_79's blog

YouTube Channel for Video Editorials
By striver_79, history, 5 years ago, In English

I have been uploading video editorials(B, C and D mostly) for Div-2 and Div-3 rounds. The videos are generally updated within 5/6 hours after the contest ends. This blog will contain all the video links. It will be updated after every contest gets over and the videos are uploaded.

Round 645:

Educational Round:

  • Problem D — Link (N log^2 Approach) (Binary Search + Fenwick Trees)

  • Problem D — Link (N log N Approach) (Binary Lifting on Fenwick Trees)

Round 643:

Round 642:

Round 641:

Round 638:

Educational Round #86:

Round #637:

Round #636:

Round #635:

Round #633:

If you feel I can improve in any aspect, please drop in your valuable advice below. Please do-not expect me to make editorials on Div2-E or above because I solve it sometime during the contest hours due to the time constraint.

P.S: I never posted this, because I doubted on myself whether I could do it for long or not, on whether people will understand the explanations or not.

  • Vote: I like it
  • +140
  • Vote: I do not like it

Comments Comments (14)
| Write comment?
»
5 years ago, # |
  Vote: I like it +2 Vote: I do not like it

Thank you for putting the effort here, I've been following those upsolves. This has been a great resource!

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

I like the way you explained yesterday's problem D , it feels really awesome when you finally understand solution. Specially constructive problems!

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

Amazing video. Really helpful fun for us beginners. Please continue to do so and help us. Thank you!

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

God Bless you!

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

Very Well Explained Bro ! Thankyou for your Efforts

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

Auto comment: topic has been updated by striver_79 (previous revision, new revision, compare).

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

a little correction: it should be problem c instead of problem f in today's round.

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

    Thanks, I simple copy pasted, and changed the link, forgot to change the text, updated! Thanks!

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

Thank you bro for this much effort ,this helped me a lot

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

Good work man learned a lot from your videos.

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

These video editorial are really helpful for beginners like me. Thank you

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

Really good editorials. The best thing is that you run on each test case step by step and then explain your code properly. And even the voice quality is good.

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

Yes your videos helped me so much !!

Could you plz make some video in 1d,2d,3d cumulative sum? and matrix exponentiation,gaussian elimination,hashing(multi hashing mostly). plzzzzzzzzzzzzz

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

Hi this is good idea and i can help you if you want!

→ Reply