I would like to invite you all to the International Coding Marathon 2020, under the banner of Technex'20, IIT (BHU) Varanasi.
Technex is the annual techno-management fest of Indian Institute of Technology (BHU), Varanasi organized from February 14 — 16, 2020.
International Coding Marathon is the flagship event of Byte The Bits, the set of programming events organized under Technex. It will take place on Sunday, 16th Feb 2020, 14:00 IST. The contest will be held on Codechef.
The problemset has been prepared by TheAnshul, AJ47, the_nightmare , revpro and me Bhagya Kamal Jain (Bhj2001).
The link to the contest & the exact prize distribution will be posted in a while.
Some of our previous contests :
ICM Technex 2017 and Codeforces Round #400 (Div. 1 + Div. 2, combined)
ICM Technex 2018 and Codeforces Round #463 (Div. 1 + Div. 2, combined)
Participants will have 3 hours to solve 7-8 problems. The scoring will be ICPC style.
Good luck everyone! Hope to see you on the leaderboard.
UPD 1
Link to the contest — here
UPD 2
The contest is rated for all.
I would also like to thank drastogi21, hitman623, jtnydv25 and arjunarul for their invaluable help in preparation of the contest.
UPD 3
Due to clash with AtCoder Beginner Contest 155 the time of the contest has been updated.
Prizes :
Global 1st — INR 25,000
Global 2nd — INR 15,000
Global 3rd — INR 12,000
India 1st — INR 10,000
IIT (BHU) 1st Overall — INR 7,000
IIT (BHU) 1st in 1/2 Year — INR 1,000
Register for prizes here
UPD 4
Contest has started. Enjoy.
Contest has ended! You may discuss the problems in the comments. Editorial will be published in a while
Congratulations to the winners!
At the last I like to thank bLackFlasH_7, Neo2308, shado_w, greeDPerson, mittal21, Patwari26, bb2211, Abhi1998 for testing the contest.
Weird, If you have considered abt clashes with other contests. How come you miss to consider the clash with OpenCup (given author is tourist).
We are extremely sorry, we tried to avoid clashes but there are many contests scheduled today so we couldn't avoid it and since it was our fest's contest it was necessary to conduct it today.
Why are you not hosting the contest on cf?
Problem "Is This A Long Challenge" is very similar to this problem.
Btw the last problem "Yet Another Mod Mod Mod" is nice though. How to solve it?
This is the AC code of jtnydv25. You can take hints from here. Editorials will be available very soon.
ICM2001 — Editorial (Yet Another Mod Mod Mod)
Seems inspired from Mod Mod Mod
One observation is given value given values changes only O(logC) times. IDK how to use/abuse it.
Problems are fascinating, especially problems "Swap Sort" and "Yet Another Mod Mod Mod". I really enjoy it.
Btw, what should I do if I have difficulties in filling the register chart...
Thank you. You can message me your contact details.