We invite you to participate in CodeChef’s Starters 163, this Wednesday, 4th December, rated upto 5 stars (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: Yash yash_daga Daga

• Text Editorialists and Statement Verifier: Nishank IceKnight1093 Suresh

• Tester: Manan mexomerf Grover

• Setters: Ashish Kryptonix Gangwar, gg_98, MathModel.

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!

We invite you to participate in CodeChef’s Starters 159, this Wednesday, 6th November, rated upto 5 stars (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: Yash yash_daga Daga

• Statement Verifier: Kanhaiya notsoloud1 Mohan

• Tester: Manan mexomerf Grover

• Text Editorialists: Nishank IceKnight1093 Suresh

• Setters: Yash yash_daga Daga, Sai saisumanchitturi Suman Chitturi, Harsh harsh__h, Nishank IceKnight1093 Suresh, Shanu Singroha.

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!

We invite you to participate in CodeChef’s Starters 155, this Wednesday, 9th October, rated upto 5 stars (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: Yash yash_daga Daga

• Setters: Manan mexomerf Grover, Ashish Kryptonix Gangwar, Harsh harsh__h, Bernard BERNARD Ibrahimcha

• Tester: Manan mexomerf Grover

• Text Editorialists: Nishank IceKnight1093 Suresh.

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!

We invite you to participate in CodeChef’s Starters 151, this Wednesday, 11th September, rated upto 5 stars (i.e. for users with rating < 2200)

Time: 8:00 PM — 10:00 PM IST

Joining us on the problem setting panel are:

• Setters: Kanhaiya notsoloud1 Mohan, Harsh harsh__h, Ashish Kryptonix Gangwar, Bernard BERNARD Ibrahimcha, Krrish Krrishchanchal Chanchal

• Tester: Manan mexomerf Grover

• Contest Admin: Yash yash_daga Daga

• Statement Verifier: Kanhaiya notsoloud1 Mohan

• Text Editorialists: Nishank IceKnight1093 Suresh.

Note: Some problems have subtasks

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 are interested in them being used in CodeChef's contests, you can share them here. Hope to see you participating.

Good Luck!

We invite you to participate in CodeChef’s Starters146, this Wednesday, 7th August, rated upto 5 stars (i.e. for users with rating < 2200)

Time: 8:00 PM — 10:00 PM IST

Joining us on the problem-setting panel are:

• Setters: Kanhaiya notsoloud1 Mohan, Harsh harsh__h, Samman gam_bit Sarkar, Shubham shubhamgrg1000 Garg, Ashish Kryptonix Gangwar

• Tester: Manan mexomerf Grover

• Text Editorialists:Nishank IceKnight1093 Suresh.

• Statement Verifier:Nishank IceKnight1093 Suresh.

• Contest Admin :Yash yash_daga Daga.

Note: Some problems have subtasks

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.

We invite you to participate in CodeChef’s Starters142, this Wednesday, 10th July, rated for till 5-Stars(ie. for users with rating < 2200).

Time: 8:00 PM — 10:00 PM IST

Joining us on the problem setting panel are:

• Setters: Rachit knightFighterr Choudhary, Sezal sezal Mittal, Souradeep Paul, Archit Pols_Agyi_Pols, Bernard BERNARD Ibrahimcha, Amr Amrharb Harb.

• Tester:Manan mexomerf Grover.

• Text Editorialists:Nishank IceKnight1093 Suresh.

• Statement Verifier:Kanhaiya notsoloud1 Mohan.

• Contest Admin : Yash yash_daga Daga.

Note: Some problems have subtasks

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!

We invite you to participate in CodeChef’s Starters138, this Wednesday, 12th June, rated for till 6-Stars(ie. for users with rating < 2500).

Time: 8:00 PM — 10:00 PM IST

Joining us on the problem setting panel are:

• Setters: Kanhaiya notsoloud1 Mohan, Harsh harsh__h, Aryan Aryan_Sinha Sinha, Wuhudsm wuhudsm, Abhishek TheAbbie Choudhary, Manan mexomerf Grover.

• Tester: Takuki tabr Kurokawa.

• Text Editorialists:Nishank IceKnight1093 Suresh.

• Statement Verifier:Kanhaiya notsoloud1 Mohan.

• Contest Admin : Yash yash_daga Daga.

Note: Some problems have subtasks

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!

We invite you to participate in CodeChef’s Starters134, this Wednesday, 15th May, rated for till 6-Stars(ie. for users with rating < 2500).

Time: 8:00 PM — 10:00 PM IST

One of the problems of this contest was also used in Code Mania Blitz, ancc IITD contest, so if you participated in that contest, please refrain from participating.

Joining us on the problem setting panel are:

• Setters: Yash yash_daga Daga, Sezal sezal Mittal, Ronit ro27 Bhatt, Ram Gopal grayhathacker Pandey, Abid chroot_ Hasan, Harsh harsh__h, Sayantan das_sayantan Das.

• Tester: Mridul MridulAhi Ahi.

• Text Editorialists:Nishank IceKnight1093 Suresh.

• Statement Verifier: Nishank IceKnight1093 Suresh.

• Contest Admin : Yash yash_daga Daga.

Note: Some problems have subtasks

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!

We invite you to participate in CodeChef’s Starters132, this Wednesday, 1st May, rated for till 6-Stars(ie. for users with rating < 2500).

Time: 8:00 PM — 10:00 PM IST

Joining us on the problem setting panel are:

• Setters: Yash yash_daga Daga, Akash akashh_chauhann Chauhan, Nishu NishuOne8 Sharma,Souradeep Paul,Prajwal procodgok Singh,wuhudsm wuhudsm, Shubham shubhamgrg1000 Garg .

• Tester: Shreyan Dominater069 Ray.

• Text Editorialists:Nishank IceKnight1093 Suresh.

• Statement Verifier: Kanhaiya notsoloud1 Mohan.

• Contest Admin : Yash yash_daga Daga.

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!

We invite you to participate in CodeChef’s Starters126, this Wednesday, 20th March, rated for till 6-Stars(ie. for users with rating < 2500).

Time: 8:00 PM — 10:00 PM IST

Joining us on the problem setting panel are:

• Setters: Yash yash_daga Daga, Manan mexomerf Grover, Ronit bronit Bhatt,Sushil SmolBrain, Prajwal procodgok Singh, Adithya Practice_Track Sunil,

• Tester: Jay JaySharma1048576 Sharma.

• Text Editorialists:Nishank IceKnight1093 Suresh.

• Statement Verifier: Kanhaiya notsoloud1 Mohan.

• Contest Admin : Yash yash_daga Daga.

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!

Hi Everyone :)

I would like to invite you to my first Codeforces Round, which I set with my friends JaySharma1048576 and mexomerf — Codeforces Round 921 (Div. 1) and Codeforces Round 921 (Div. 2) which will be held on Jan/27/2024 17:45 (Moscow time). This round will be rated for both divisions.

Both divisions will be given 6 problems and 2 hours to solve them.

One of the problems may be interactive. So, you are advised to refer to the guide on interactive problems in case you are not familiar with them.

We would really like to thank:

• Aleks5d for coordinating our round.
• jtnydv25, dario2994, IceKnight1093, oursaco, satyam343, Riladavin, magga, peltorator, _Enigma__, Makcum888, MisterReaper, htetgm, 18o3, sezal, alwyn, somplz, nor and kevinsogo for testing and improving the problems.
• abhidot for listening to our problems even before we proposed them.
• MikeMirzayanov for the amazing Codeforces and Polygon platforms.
• You for participating.

Good luck, have fun!

UPD: Scoring Distribution

Div. 1: $$$500 - 1000 - 1500 - 1750 - 2500 - 3000$$$
Div. 2: $$$500 - 1000 - 1250 - 1750 - 2500 - 3000$$$

UPD: Here is the editorial

UPD: Congratulations to the winners

Div. 1:

1. jiangly
2. maroonrk
3. Benq
4. gamegame
5. maspy

Div. 2:

1. kto_eto
2. fractum_locum
3. okok
4. beiyuli
5. BabaVoss

First solves -

Div. 2:

Div. 1:

We invite you to participate in CodeChef’s Starters116, this Wednesday, 10th January, rated for till 6-Stars(ie. for users with rating < 2500). .

Time: 8:00 PM — 10:15 PM IST

Please note that the contest duration is of 2 hours and 15 mins

Joining us on the problem setting panel are:

• Setters: Kanhaiya notsoloud1 Mohan, M.Sohel , Souryadeep souradeep.99 Paul, Warawreh, wuhudsm wuhudsm, Prajwal procodgok Singh, Gheorghies Gheal Alexandru, Jay JaySharma1048576 Sharma

• Tester: Manan mexomerf Grover.

• Statement Verifier: Kanhaiya notsoloud1 Mohan

• Text Editorialists: Nishank IceKnight1093 Suresh.
• Contest Admin : Yash yash_daga Daga.

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!

We invite you to participate in CodeChef’s Starters111, this Wednesday, 6th December, rated till 6-stars (ie. for users with rating < 2500).

Time: 8:00 PM — 10:00 PM IST

Joining us on the problem setting panel are:

• Setters: Muhammad Hassan MuhammadHassan Anwar, Kanhaiya notsoloud1 Mohan, Urvik JUBHAI Jada, Aniruddh Chimpanzee, Ronit ro27 Bhatt, Indresh Rajesh indreshsingh Singh, wuhudsm wuhudsm.

• Tester: Manan mexomerf Grover

• Statement Verifier: Kanhaiya notsoloud1 Mohan

• Text Editorialists: Nishank IceKnight1093 Suresh

• Contest Admin : Yash yash_daga Daga

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!

We invite you to participate in CodeChef’s Starters 102, this Wednesday, 27th September, rated till 6-stars (ie. for users with rating < 2500).

Time: 8:00 PM — 10:00 PM IST

Read about the recent judge migration here.

Joining us on the problem setting panel are:

• Setters: Kanhaiya notsoloud1 Mohan, Ronit ro27 Bhatt, Aditya Aditya_Mittal_31 Mittal, Ansh ansh_321 Varshney, Aniruddh Chimpanzee Patil, Souradeep souradeep.99 Paul

• Tester: Mridul MridulAhi Ahi

• Community Testers — Manan mexomerf Grover

• Statement Verifier: Kanhaiya notsoloud1 Mohan

• Text Editorialists: Nishank IceKnight1093 Suresh

• Contest Admin: Yash yash_daga Daga

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!

We invite you to participate in CodeChef’s Starters 97, this Wednesday, 5th July, rated till 6-stars Coders (ie. for users with rating < 2500).

Time: 8:00 PM — 10:00 PM IST

Note that the duration is 2 hours. Read about the recent CodeChef changes here.

Joining us on the problem setting panel are:

• Setters: Yash yash_daga Daga, Nishank IceKnight1093 Suresh, Kanhaiya notsoloud1 Mohan, Ram grayhathacker Gopal Pandey, Ronit ro27 Bhatt, rainb0ysimp rainb0ySimp, Ziad ZiadEl-Gafy Waleed, Anirudh Chimpanzee

• Testers: Jay JaySharma1048576 Sharma

• Statement Verifier: Kanhaiya notsoloud1 Mohan

• Video Editorialists: Sundar K Letscode_sundar,Madhav jhamadhav Jha, Jwala jwalapc , Rohit ezo_tihor Oze, Adhish ak2006 Kancharla

• Text Editorialists: Nishank IceKnight1093 Suresh

• Contest Admin: Yash yash_daga Daga

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 for all users for 1 day as soon as the contest ends, after which they 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!

We invite you to participate in CodeChef’s Starters 95, this Wednesday, 21st June, rated till 6-stars Coders (ie. for users with rating < 2500).

Time: 8:00 PM — 10:00 PM IST

Note that the duration is 2 hours. Read about the recent CodeChef changes here.

Joining us on the problem setting panel are:

• Setters: Yash yash_daga Daga, Ulmeanu catalystgma Vlad, Wuhudsm wuhudsm, Wesam Wesam Naseer, Al-Shahriar AST_TheCoder Tonmoy, Kanhaiya notsoloud1 Mohan

• Testers: Satyam satyam343

• Statement Verifier: Kanhaiya notsoloud1 Mohan

• Video Editorialists: Sundar K Letscode_sundar, Madhav jhamadhav Jha, Jwala jwalapc, Adhish ak2006 Kancharla

• Text Editorialists: Nishank IceKnight1093 Suresh

• Contest Admin: Yash yash_daga Daga

Note: Some problems have subtasks

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 for all users for 1 day as soon as the contest ends, after which they 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!

We invite you to participate in CodeChef’s Starters 88, this Wednesday, 03rd May, rated till 6-stars Coders (ie. for users with rating < 2500).

Time: 8:00 PM — 10:00 PM IST

Note that the duration is 2 hours. Read about the recent CodeChef changes here.

Joining us on the problem setting panel are: - Setters: Kanhaiya notsoloud1 Mohan, Ronit ro27 Bhatt, Yash PoPularPlusPlus Thakker, Mostafa Beevo Alaa, omkar triggered_code tripathi, Devansh DrisHyam_420 Aryan, Wuhudsm wuhudsm

• Testers: Jay JaySharma1048576 Sharma

• Statement Verifier: Kanhaiya notsoloud1 Mohan

• Video Editorialists:Sundar K Letscode_sundar, Madhav jhamadhav Jha, Suraj jhasuraj01 Jha, Jwala jwalapc

• Text Editorialists: Nishank IceKnight1093 Suresh

• Contest Admins: Yash yash_daga Daga

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 for all users for 1 day as soon as the contest ends, after which they 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.

We invite you to participate in CodeChef’s Starters 84, this Wednesday, 5th April.

Time: 8:00 PM — 10:00 PM IST

Note that the duration is 2 hours. Read about the recent CodeChef changes here.

Joining us on the problem setting panel are:

• Setters: Ram grayhathacker Gopal Pandey, Arun Arun_bro1 Sharma, Deep ZetaFunction Raval, Hitesh lazy_iterator Jindal, Shanu ShanuSingroha Singroha, Shaurya Shaurya_Bhalla Bhalla

• Testers: Abhishek abhidot Jain

• Statement Verifier: Kanhaiya notsoloud1 Mohan
• Video Editorialists:Sundar K Letscode_sundar, Madhav jhamadhav Jha, Suraj jhasuraj01 Jha, Jwala jwalapc , Rohit ezo_tihor Oze
• Text Editorialists: Nishank IceKnight1093 Suresh
• Contest Admins: Yash yash_daga Daga

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 for all users for 1 day as soon as the contest ends, after which they 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!

We invite you to participate in CodeChef’s Starters 81, this Wednesday, 15th March, rated till 6-stars Coders (ie. for users with rating < 2500).

Time: 8 PM — 11:00 PM IST

Joining us on the problem setting panel are:

• Setters: Kanhaiya notsoloud1 Mohan, Aditya Aditya_Mittal_31 Mittal, Danish danishiitp_24 , Subhash isheoran Sheoran, Aryan _Aryan_ Sinha, Jay JaySharma1048576 Sharma

• Testers: Yash yash_daga Daga

• Statement Verifier: Kanhaiya notsoloud1 Mohan
• Video Editorialists: Sundar K Letscode_sundar, Madhav jhamadhav Jha, Suraj jhasuraj01 Jha, Jwala jwalapc , Rohit ezo_tihor Oze
• Text Editorialists: Nishank IceKnight1093 Suresh

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 for all users for 1 day as soon as the contest ends, after which they 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!