Hello, Codeforces!

NJACK — the Computer Science Club of IIT Patna is excited to invite you to ByteRace 2023 — Codeforces Round 845 (Div. 2) and ByteRace 2023 under Celesta — the annual Techno-Management Fest of IIT Patna.

The contest will take place on Jan/21/2023 17:35 (Moscow time). This round will be rated for participants with rating lower than 2100.

Many thanks to all the people who made this round possible:

• The problems were authored and prepared by me, quantau, mayankfrost, ShivanshJ, Crocuta and AwakeAnay.
• irkstepanov and KAN for coordinating the round!
• jenishmonpara, 100gods and V_S_M for their guidance throughout the process.
• VIP testers: YashPant and Newtech66 <3
• Shoutout to AwakeAnay for doing absolutely nothing.
• dorijanlendvaj, Golovanov399, nor, defnotmee and ilya151098 for testing and providing detailed feedback that improved the quality and balance of the round significantly.
• Our lord and saviour MikeMirzayanov for great systems Codeforces and Polygon.

You will have 2 hours to solve 6 problems.

The scoring distribution will be updated later.

UPD: Scoring distribution: $$$500-1000-1500-2000-2250-2750$$$

UPD: Editorial

UPD: Congratulations to the winners!

Official winners:

1. jiangly_fan_fan_fan_fan
2. ducati
3. xiachong
4. FasterThanLight
5. Remask_588_handles

Unofficial winners:

1. noimi
2. jiangly_fan_fan_fan_fan
3. Nyaan
4. ducati
5. neal

First solves:

A: noimi at 00:00
B: neal at 00:02
C: noimi at 00:06
D: noimi at 00:09
E: noimi at 00:15
F: sjc061031 at 00:13

PRIZES: 30 hoodies (customizable with name) will be given to:

• Top 20 Indian participants
• Random 10 from top 100 (rank 21-100) Indian participants

Note: we will identify Indian participants through their flags and they may be asked for address proofs later.

See you all in the standings!

UPD: Here is the list of people who won hoodies. We will contact you all soon. Congrats!

Top 20 Indian participants

• socho
• aryanc403
• JrNTR
• Kira_1234
• KDVinit
• IceKnight1093
• Everule
• kshitij_sodani
• shiven
• mexomerf
• 18o3
• abhidot
• used-fft
• towrist
• udhavvarma03
• Suri429
• _akasi
• Phantom_Deluxe
• ghoul932
• shadow9236

Random 10 from top 100 (rank 21 — 100) Indian participants

• ShlokG
• Harsha221B
• Pandemonium2024
• YPK
• BeastCode
• abhi_atg
• ShubhamAvasthi
• rohit2593
• karthikeya09
• Abhishek_Srivastava

About Celesta

Celesta is the annual Techno-Management Fest of IIT Patna. Celesta conducts a variety of events in various technical domains. Some of these are open and free for all, with exciting prizes and goodies for the winners!

You can head over to our website and check it out for yourself!

Good luck!