Hello everyone!

I would like to invite all of you to participate in November Circuits '20. It's a coding marathon that will start on November 21, 09:00 PM IST, run for 7 days, and close on November 28, 09:00 PM IST. Please make sure to check your time zones.

The problems are prepared by nadeemshaikh, H_M_Vaghasiya, [_BadLoser](https://codeforces.com/profile/_BadLoser), Souradeep Paul, Semal10, Dishant_18 and me Saurabh303. Thanks to Arpa for testing the problems and coordination of the contest.

This coding marathon challenges you with 8 problems. You are expected to solve 7 algorithmic and 1 Approximate programming problem over a period of 7 days.

The timeline of the challenge is as follows:

Day 0: Problem 1, Problem 2, Problem 3

Day 1: Problem 4, Problem 5

Day 4: Problem 6, Problem 7

Day 6: Problem 8

Day 7: Challenge ends

For more information, visit the contest's official page.