Hello everyone!

Another long and exciting contest is here, October Circuits '21, with 8 amazing problems, should be solved in 7 days. The contest will start at Saturday, 16th October, 21:00 IST (You can check your timezone here).

The problems are prepared by Kousshik TheLethalCode Raj, Prashant fugazi Shishodia, Arpa and Harsh Vardhan harsh639 Goenka.

6 out of 8 problems have been prepared by members of Grimoire of Code, Competitive Programming Club of IIT Kharagpur. Do check out our YouTube Channel as well.

Also huge thanks to Arpa for coordinating and testing the round.

To make the challenge more interesting, we will add problems to the contest in this order:

Day 0: Problem 1, Problem 2, Problem 3. Day 1: Problem 4, Problem 5. Day 4: Problem 6, Problem 7. Day 6: Problem 8. As usual, there will be some sweet prizes for the top three competitors:

$100 Amazon gift card $75 Amazon gift card $50 Amazon gift card Hope to see you on the leaderboard!

Good luck everybody! Hope you all gain a positive rating Δ in this round!