We invite you to participate in CodeChef’s Starters 199, this Wednesday,13th August, rated for 5 star (i.e. for users with rating < 2200).
Time: 8:00 PM — 10:00 PM IST
Joining us on the problem setting panel are:
Contest Admin and Statement Verifier : Shreyan Dominater069 Ray.
Text Editorialist : Nishank IceKnight1093 Suresh.
Tester: Sushil SmolBrain Raaja.
Setters: Shreyan Dominater069 Ray, Proof_by_QED
Written editorials will be available for all on discuss.codechef.com. Pro users can find the editorials directly on the problem pages after the contest. The video editorials of the problems will be available only to Pro users.
Also, if you have some original and engaging problem ideas, and you’re interested in them being used in CodeChef's contests, you can share them here. Hope to see you participating.
Good Luck!









Contest starts in ~30min.
a question: codechef shows live rating changes during the contest but during competition time unrated people ( like > 5 stars today) are also part of the leader board
does that live rating change exclude those unrated people or it considers rating change including them.
Easiest Div 2 contest, managed to solve first 3 questions inn first 5 mins
Setters(Dominater069 and Proof_by_QED ) like , ihave made one or two good problems . lets set up a contest .
you are telling me that in DIV 4 1000 people solved Perfect Ranges and 800 people solved XOR GAME so according to these DIV 4 people, both of the problems are of similar difficulty?
and here I am having no idea how to solve xor game at all, I literally just choked on perfect ranges stuck in 2 pointers approach and due to that I got -ve delta