striver_79's blog

YouTube Channel for Video Editorials
By striver_79, history, 4 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.

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Comments Comments (14)
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4 years ago, # |
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Thank you for putting the effort here, I've been following those upsolves. This has been a great resource!

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

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4 years ago, # |
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Amazing video. Really helpful fun for us beginners. Please continue to do so and help us. Thank you!

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4 years ago, # |
  Vote: I like it +1 Vote: I do not like it

God Bless you!

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4 years ago, # |
  Vote: I like it +1 Vote: I do not like it

Very Well Explained Bro ! Thankyou for your Efforts

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4 years ago, # |
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Auto comment: topic has been updated by striver_79 (previous revision, new revision, compare).

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4 years ago, # |
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a little correction: it should be problem c instead of problem f in today's round.

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    4 years ago, # ^ |
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    Thanks, I simple copy pasted, and changed the link, forgot to change the text, updated! Thanks!

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4 years ago, # |
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Thank you bro for this much effort ,this helped me a lot

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4 years ago, # |
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Good work man learned a lot from your videos.

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4 years ago, # |
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These video editorial are really helpful for beginners like me. Thank you

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4 years ago, # |
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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.

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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

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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!

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