Hello Codeforces!

We’re thrilled to invite you to the 2nd edition of AlgoThugs, the competitive programming event by IIT Patna, organized as part of Apeireon, the annual tech fest conducted by NJACK.

AlgoThugs is a solo algorithmic programming contest with this edition consisting of 9-11 problems to be solved within a 3.5 hour duration. At least one problem in this contest will be interactive, so please make sure to read the guide for interactive problems before the contest. This contest also contains at least one run-twice (communication) problem. If you are unfamiliar with this type, we strongly recommend reading the guide for run-twice problems beforehand.

• Date & Time: Tuesday, April 14, 2026 (21:05 IST)
• Duration: 3.5 hours
• Mode: Online
• Platform: Codeforces
• Format: 9-11 problems in unsorted order
• Registration Link: Register Here
• Scoring System: ICPC Rules with a penalty of 20 mins for each wrong submission.
• Rule Book: Link
• Contest Link : Link

Please join the Whatsapp Group for more updates.

The problems were prepared by arnavra3, Jelly.bean, asterisk11, Golgawitch, Krishnadev44 and KushKushal with testing carried out by nerfe_d, Edward4762, jat.arc2004, shrek1234, Candypaint_9 and adityaaryan151.

UPD1: Contest link is out!

UPD2: Registration for the contest has started , You can directly register and give the contest instead of registering on unstop but do join the Whatsapp group so that you can submit the screen and video recording on the google form link which will be shared there after the contest ends.

UPD3: Contest Editorial is out!

UPD4: We have finished verifying the submissions and here are the final prize winners.

  1) prnv10

  2) conjectureguy

  3) Ridham.

   First Solves:

   A — Eyes_on_me
   B — Legend4321
   C — conjectureguy
   D — dragonfire77
   E — Rodger2041
   F — Rodger2041
   G — Harsh_Lembhe18
   H — late_night_dreams
   I — late_night_dreams
   J — McLovin6

NJACK, IIT Patna