Hello everyone!

Another long and exciting contest is here, January Circuits '22, with 8 amazing problems, should be solved in 7 days. The contest will start on Saturday, 22nd January, 21:00 IST (You can check your timezone here).

The problems are prepared by me, Ujjwal cooldude1103 Goel, Mayank mynk322.0 Padia and Ali AliTavassoly Tavassoly.

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, here are the prizes for the top three contestants:

• $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!

Hello everyone!

Another long and exciting contest is here, December Circuits '21, with 8 amazing problems, should be solved in 7 days. The contest will start at Wednesday, 15th December, 21:30 IST (You can check your timezone here). Note the unusual start time.

The problems are prepared by me, Kritagya krikti Agarwal and Ali AliTavassoly Tavassoly.

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, here are the prizes for the top three contestants:

• $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!

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 me, Kritagya krikti Agarwal and AmirReza Arpa PoorAkhavan.

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, here are the prizes for the top three contestants:

• $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!