Nightmare05's blog

By Nightmare05, 3 years ago, In English

Hey Codeforces!!

Greetings from NJACK, the Computer Science Club of IIT Patna,

We present to you ByteRace 2k20, as a part of our annual technical fest, Celesta.

The contest will be held on Codechef and is rated for all Div2 participants! (Rating < 1800)

Date and Time: It will take place on 29th December 2020, 20:00 IST to 22:30 IST. (IST = UTC+5.5)

It will be an ICPC styled contest with 7 problems.

Link to the contest: https://www.codechef.com/BYTR2020

We would like thank our problem-setters: V_S_M, jenishmonpara, aditigoel, Crocuta, 100gods and our organizers: kunj017 and hackcyborg.

Special thanks to the round coordinator jtnydv25 and our testers: darklight13, Nightmare05, aditya_sheth, l_returns and 7dan for their invaluable contributions.

Prizes:

Global Ranklist

  1. ₹5k

  2. ₹3k

  3. ₹2k

Indian Ranklist (Apart from top 3 global)

  1. ₹2k

  2. ₹2k

IIT Patna Participants

1.₹500

2.₹500

Coupons and goodies worth ₹5k to 20 random participants!

To register for prizes fill this form before the contest: https://forms.gle/RrdUuwZUtGj6CKqW9

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

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3 years ago, # |
  Vote: I like it +5 Vote: I do not like it

Why unrated for div-1 :( ?

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    3 years ago, # ^ |
      Vote: I like it +54 Vote: I do not like it

    Because we were unable to come up with enough good problems for a rated div 1 contest :(

    Hopefully, next time, cheers!

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      3 years ago, # ^ |
        Vote: I like it +50 Vote: I do not like it

      Yeah, It's hard to create problems challenging enough for top div1 participants.

      Nevertheless prizes are open for all :)

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    3 years ago, # ^ |
      Vote: I like it +35 Vote: I do not like it

    And though it might be unrated for you, but you still stand a chance to win cool cash rewards!!

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3 years ago, # |
  Vote: I like it +16 Vote: I do not like it

Why no seperate ranklist for Div1?

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3 years ago, # |
  Vote: I like it +11 Vote: I do not like it

Please make a separate ranklist for Div1 participants.

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    3 years ago, # ^ |
      Vote: I like it +32 Vote: I do not like it

    There will be a separate ranklist for Div1 participants.

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3 years ago, # |
  Vote: I like it +16 Vote: I do not like it

Can't wait to participate in the contest

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3 years ago, # |
Rev. 3   Vote: I like it +74 Vote: I do not like it

As a tester, I want certificate and a letter of recommendation. xD

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    3 years ago, # ^ |
      Vote: I like it +83 Vote: I do not like it

    And as a competitive programmer, I wanted to participate, yet here we are ;)

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3 years ago, # |
  Vote: I like it +3 Vote: I do not like it

thanks for the contest.i am eager to participate.

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3 years ago, # |
  Vote: I like it +9 Vote: I do not like it

Wish good luck to all div2 participants!!! Nice Work IIT Patna. Great Job for providing such rated contest. :)

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3 years ago, # |
  Vote: I like it +15 Vote: I do not like it

Reminder — Contest starts in 2 hour, 35 minutes.

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3 years ago, # |
  Vote: I like it +14 Vote: I do not like it

Reminder: Contest starts in 28 mins

Good luck and Have fun!!

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3 years ago, # |
  Vote: I like it +8 Vote: I do not like it

Will an editorial be posted?

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    3 years ago, # ^ |
      Vote: I like it +14 Vote: I do not like it

    Yes bro, we will post the editorials shortly after the contest :)

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3 years ago, # |
  Vote: I like it +29 Vote: I do not like it
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3 years ago, # |
  Vote: I like it +19 Vote: I do not like it

Interesting problems! Thanks for the contest.

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3 years ago, # |
  Vote: I like it +5 Vote: I do not like it

Nice contest, really liked CYBTREE but I feel tests of "Rise of Cyborg" were weak, my solution would fail in tests where there would be more that one occurrence of the minimum element in a range, I just submitted after seeing the high accuracy rate on that problem.

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3 years ago, # |
  Vote: I like it +25 Vote: I do not like it

Mind blowing contest. Good job setters :)

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3 years ago, # |
  Vote: I like it +8 Vote: I do not like it

how to solve CAB ?

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    3 years ago, # ^ |
      Vote: I like it +6 Vote: I do not like it

    Refer to the editorial below. If you still have any doubt, you can ask here.

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3 years ago, # |
  Vote: I like it +4 Vote: I do not like it
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3 years ago, # |
  Vote: I like it 0 Vote: I do not like it
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3 years ago, # |
  Vote: I like it +4 Vote: I do not like it
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3 years ago, # |
  Vote: I like it +11 Vote: I do not like it

Hey guys really sorry, but due to some constraints, we can not post the editorials for the contest here and we are posting them on Codechef instead and I am gonna post the links here, as and when the editorials for the respective questions are published. Sorry for the inconvenience :(

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3 years ago, # |
  Vote: I like it +11 Vote: I do not like it
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3 years ago, # |
  Vote: I like it +14 Vote: I do not like it
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3 years ago, # |
  Vote: I like it +22 Vote: I do not like it

I solved the first four questions today. I had a correct divide and conquer with RMQ via sqrt-decomposition approach for the fifth (now AC), but I messed up some details in the code. YT livesolve/editorial link

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3 years ago, # |
  Vote: I like it +8 Vote: I do not like it
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3 years ago, # |
  Vote: I like it +15 Vote: I do not like it
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3 years ago, # |
  Vote: I like it +16 Vote: I do not like it

Loved the problem Angry Cyborg.Though could not solve it but learned lots of new staff

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    3 years ago, # ^ |
      Vote: I like it +15 Vote: I do not like it

    Thank you very much! Means a lot.

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3 years ago, # |
  Vote: I like it +22 Vote: I do not like it

it was really a good contest

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    3 years ago, # ^ |
    Rev. 2   Vote: I like it +30 Vote: I do not like it

    Thanks bro, seeing people appreciate it at the end is truly the best kinda motivation n validation for everyone involved in setting the contest. So yea, it really means a lot :)