We invite you to participate in CodeChef’s Starters 67, this Wednesday, 30th November, rated till 5-stars Coders (i.e. for users with rating < 2200). This contest is organized by i.Fest '22, DA-IICT
Time: 8 PM — 11:00 PM IST
Joining us on the problem setting panel are:
- Setters: Satyam satyam343, Utkarsh Utkarsh.25dec Gupta, Preet preet_25 Sheth, Parth parth_1205 Prajapati, Divya divyapatel Patel, Kunj kunj_patel Rakesh Patel, Kashyap zxy0909 Panchani, Achyut achyut_1412 Shah, Kirtan kirtan_03 Shah
- Testers: Tejas tejas10p Pandey, Nishank IceKnight1093 Suresh
- Statement Verifier: Nishank IceKnight1093 Suresh
- Video Editorialists: Garvit garvitvirmani0 Virmani, Madhav jhamadhav Jha, Suraj jhasuraj01 Jha, Jwala jwalapc, Rohit ezo_tihor Oze, Adhish ak2006 Kancharla
- Text Editorialist: Nishank IceKnight1093 Suresh
- Contest Admins: Utkarsh Utkarsh.25dec Gupta, Satyam satyam343
Written editorials will be available for all on discuss.codechef.com. Pro users can find the editorials directly on the problem pages after the contest.
The video editorials of the problems will be available for all users for 1 day as soon as the contest ends, after which they will be available only to Pro users.
Also, if you have some original and engaging problem ideas, and you’re interested in them being used in CodeChef's contests, you can share them here.
There are some exciting prizes too. To be eligible for the prizes make sure to fill this form.
We would like to thank CodeChef for providing us the platform to host our contest. We would also like to thank the entire Codechef Team for their invaluable feedback and for their excellent coordination.
Hope to see you participating. Good Luck!
Auto comment: topic has been updated by preet_25 (previous revision, new revision, compare).
stop cheaters then invite for contest,atleast you should claim copyright to solution videos on youtube.
agreed .
Auto comment: topic has been updated by preet_25 (previous revision, new revision, compare).
change your rating algo like codeforces. Your volatility sucks.
AGREED
+1
There are some exciting prizes too.
Can you specify the prizes?
Prizes worth INR 10000!
For Div-1:
1st — INR 4000
2nd — INR 2500
3rd — INR 1500
For Div-2:
1st — INR 1250
2nd — INR 750
All the Prizes are open for all.
Clashes with Newton school triwizard contest, could you please postpone it ?
INCREASE THE FREQUENCY OF CONTESTS .THERE IS ONLY ONE CONTEST IN A WEEK AND WHY THERE IS NO COOK OFF, LUNCH TIME?
They don't have many problem-setters. And I'd say even one contest a week is good enough and tbh hard to prepare. Better to have less contests than worse ones. If you'd like to help with that situation, please consider proposing some good problems for Codechef Contests.
Atleast they should change their rating algo ..
Yes, I agree. I don't like participating much now on Codechef for this reason. Despite good performance, I, like most other people only get very small positive delta. Even rank 5 guy got < +30 delta in a recent contest. Rating delta shouldn't be correlated with lot of other things that it currently is (like average performance) apart from performance in contest.
For 4th Problem, the idea of enforcing count in that style kills the beauty of the problem. :) N could have been ~2e5.
I am assuming that you mean 4-th problem of Div 1.
We kept constraints high as we wanted to cut $$$O(n \sqrt n)$$$ solution. After seeing the final number of solve counts, it seems having $$$n \leq 2 \cdot 10^5$$$ would not have been a bad idea.
how to solve Existence Of X?
You can check the editorial
May someone explain me approach for musical rods?
Concept of Fractional Knapsack Problem .
Is CodeChef no longer conducting Cook Off and Lunch Time every month ?
stuck on Existence of X in the most epic fashion and seeing rank plummet in the last hour is the story of this contest
quality of questions are improving :)
Sorry for the late comment but the problem Magical Rods is very similar to this Atcoder problem