We invite you to participate in CodeChef’s Starters 161, this Wednesday, 20th November, rated for all. The contest duration will be 2.5 hours.

Time: 8:00 PM — 10:30 PM IST

Joining us on the problem setting panel are:

• Contest Admin, Statement Verifier and Text Editorialist: Nishank IceKnight1093 Suresh

• Tester: Takuki tabr Kurokawa

• Setters: Nishank IceKnight1093 Suresh, Cozma tibinyte Tiberiu-Stefan, KaiSuoShuTong.

Special thanks to satyam343 for discussing several problem ideas with me.

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.

Problem Distribution:

• Division 1: 7 problems, one is a subtask

• Division 2: 7 problems

• Division 3: 8 problems

• Division 4: 8 problems

Hope to see you participating.
Good luck!

Congrats to the top 5 in Div. 1!

1. potato167

2. noimi

3. SSerxhs

4. risujiroh (only participant to solve "Easy Constructive Problem"!)

5. RNS_JK

We invite you to participate in CodeChef’s Starters 157, this Wednesday, 23th 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, Text Editorialist, and Statement Verifier: Nishank IceKnight1093 Suresh

• Tester: Sushil SmolBrain Raaja

• Setters: Nishank IceKnight1093 Suresh, Harsh harsh__h.

Problem distribution:

• Division $$$1$$$: $$$5$$$ problems
• Division $$$2$$$: $$$6$$$ problems
• Division $$$3$$$: $$$7$$$ problems, of which $$$1$$$ is a subtask
• Division $$$4$$$: $$$8$$$ problems, of which $$$1$$$ is a subtask

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!

Congrats to the top 5 in Div1!

1. Egor
2. maspy
3. Kude
4. liympanda
5. noya2

We invite you to participate in CodeChef’s Starters 152, this Wednesday, 18th September, rated upto 6 stars (i.e. for users with rating < 2500).

Time: 8:00 PM — 10:00 PM IST

Joining us on the problem setting panel are:

• Setters: Abdul AKMalice Nayeem Khalid, Nishank IceKnight1093 Suresh, Ashish Kryptonix Gangwar, Ronit bronit Bhatt

• Tester: Takuki tabr Kurokawa

• Contest Admin, Text Editorialist, and Statement Verifier: 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!

Congratulations to the top 5 in Div1!

1. liympanda

2. DylanSmith

3. Dragokj03

4. GOTKAKO

5. EnofTaiPeople

We invite you to participate in CodeChef’s Starters 148, this Wednesday, 21st August, rated upto 6 stars (i.e. for users with rating < 2500).

Time: 8:00 PM — 10:00 PM IST

Joining us on the problem setting panel are:

• Setters: Nishank IceKnight1093 Suresh, Rishi jha_rishi Mohan Jha, and Nika nskybytskyi Skybytska
• Tester: Nika nskybytskyi Skybytska
• Contest Admin, Text Editorialist, and Statement Verifier: 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!

Congratulations to the top 5!

1. maspy

2. tiger2005

3. Tobo

4. risujiroh

5. liympanda

We invite you to participate in CodeChef’s Starters 141, this Wednesday, 3rd July, rated 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: Nishank IceKnight1093 Suresh, Abdul Nayeem AKMalice Khalid, Archit Pols_Agyi_Pols.
• Tester: Archit Pols_Agyi_Pols.
• Text Editorialist: Nishank IceKnight1093 Suresh.
• Statement Verifier: Nishank IceKnight1093 Suresh.
• Contest Admin: Nishank IceKnight1093 Suresh.

One problem has a subtask.

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 137, this Wednesday, 5th June, 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: Nishank IceKnight1093 Suresh, Nika nskybytskyi Skybytska, Nitish _helloLad Kumar, Apoorv tyr0Whiz Kumar, harshit.30
• Tester: Nika nskybytskyi Skybytska
• Text Editorialist: Nishank IceKnight1093 Suresh
• Statement Verifier: Nishank IceKnight1093 Suresh
• Contest Admin: 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!

UPD: Congrats to the top 5 in Div1!

1. maspy

2. flytime

3. Kude

4. risujiroh

5. sheercold

We invite you to participate in CodeChef’s Starters 133, this Wednesday, 8th May, 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: Nishank IceKnight1093 Suresh, S.Manuj DarkSparkle Nanthan, wuhudsm.

• Tester: Apoorv tyr0Whiz Kumar.

• Text Editorialist: Nishank IceKnight1093 Suresh.

• Statement Verifier: Nishank IceKnight1093 Suresh.

• Contest Admin: 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 131, this Wednesday, 24th April, rated 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: Nishank IceKnight1093 Suresh, Vaibhav kingmessi Khater, NeverCompromise.
• Tester: Takuki tabr Kurokawa.
• Text Editorialist: Nishank IceKnight1093 Suresh.
• Statement Verifier: Nishank IceKnight1093 Suresh.
• Contest Admin: 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 127, this Wednesday, 27th March, 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: Yash yash_daga Daga, Mamalesh Rajkumar Mamalesh Hake, Prince _Prince Patel, Viraj JagguBandar Agrawal, Nishank IceKnight1093 Suresh
• Tester: Viraj JagguBandar Agrawal
• Text Editorialist: Nishank IceKnight1093 Suresh
• Statement Verifier: Nishank IceKnight1093 Suresh
• Contest Admin: 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.

P.S: CodeChef has C++20 support now! Try it out on the IDE.
It will be available for this contest (and all future contests), and should be enabled for all past problems soon, too.

We invite you to participate in CodeChef’s Starters 117, this Wednesday, 17th January, 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: Nishank IceKnight1093 Suresh, S.Manuj DarkSparkle Nanthan, croxo.

• Tester: Mridul MridulAhi Ahi.

• Statement Verifier: Nishank IceKnight1093 Suresh.

• Text Editorialist: Nishank IceKnight1093 Suresh.

• Contest Admin: 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 109, this Wednesday, 22nd November, rated till 5-stars (ie. for users with rating < 2200).

Time: 8:00 PM — 10:00 PM IST

Read about the recent judge migration here.

Joining us on the problem setting panel are:

• Setters: Ronit ro27 Bhatt, Md. Rakib RakibJoy Hossain, Aniket quagmire Kumar, Chimpanzee, Suraj Sharma, Rahul Kumar
• Tester: Nishank IceKnight1093 Suresh
• Text Editorialist: 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 101, this Wednesday, 20th September, rated till Division-2 (ie. for users with rating < 2000).

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, Nishank IceKnight1093 Suresh, Apoorv tyr0Whiz Kumar, Omkar triggered_code Tripathi
• Tester: Apoorv tyr0Whiz Kumar
• Statement Verifier: Nishank IceKnight1093 Suresh
• Text Editorialist: Nishank IceKnight1093 Suresh
• Contest Admin: 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 99, this Wednesday, 19th July, rated till 6-stars Coders (ie. for users with rating < 2500).

Time: 8:00 PM — 10:15 PM IST

Note that the duration is 2 hours 15 minutes. Read about the recent CodeChef changes here.

Joining us on the problem setting panel are:

• Setters: Nishank IceKnight1093 Suresh, Kanhaiya notsoloud1 Mohan, Ziad ZiadEl-Gafy Waleed, Adham Mr_7ammoda Ahmed Hammoda, Dhanasekar dhana_sekar, Shanu ShanuSingroha Singroha
• Tester: Satyam satyam343
• Statement Verifier: Nishank IceKnight1093 Suresh
• Video Editorialists: Sundar K Letscode_sundar, Madhav jhamadhav Jha, Jwala jwalapc, Rohit ezo_tihor Oze, Adhish ak2006 Kancharla
• Text Editorialist: Nishank IceKnight1093 Suresh
• Contest Admin: 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!

Important update: We are in the process of revamping our entire judging ecosystem. Due to this migration to new checkers, we will not have Starters for the next few weeks. We will keep you updated on when the contest schedule will get back to normal. Learn and Practice will mostly function as usual.

We invite you to participate in CodeChef’s Starters 96, this Wednesday, 28th June, rated till 5-stars Coders (ie. for users with rating < 2200).

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: Nishank IceKnight1093 Suresh, Suchit Atlas, Aditya Aditya_Mittal_31 Mittal, Andrei Sho Alexandru, Mihir BladeRunner Kaskhedikar, Dhanraj coderdhanraj Chaurasia, Mostafa Beevo Alaa, Nicholas __jk__
• Tester: Takuki tabr Kurokawa
• Statement Verifier: Nishank IceKnight1093 Suresh
• Video Editorialists: Sundar K Letscode_sundar, Madhav jhamadhav Jha, Jwala jwalapc , Adhish ak2006 Kancharla
• Text Editorialist: Nishank IceKnight1093 Suresh
• Contest Admin: Nishank IceKnight1093 Suresh

Written editorials will be available for all on CodeChef Discuss. 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 80, this Wednesday, 8th March, rated till 5-stars Coders (ie. for users with rating < 2200).

Time: 8 PM — 11:00 PM IST

Joining us on the problem setting panel are:

• Setters: Nishank IceKnight1093 Suresh, Kanhaiya notsoloud1 Mohan, Ryan c8kbf Zhang, Prakhar Rook_Lift Jain, anky_301, Dilshodbek DilshodbekX Khujaev
• Testers: Satyam satyam343, wuhudsm
• Statement Verifier: Kanhaiya notsoloud1 Mohan
• Video Editorialists: Sundar K Letscode_sundar, Madhav jhamadhav Jha, Suraj jhasuraj01 Jha, Jwala jwalapc, Rohit ezo_tihor Oze
• Text Editorialist: Nishank IceKnight1093 Suresh
• Contest Admin: 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!

We invite you to participate in CodeChef’s Starters 78, this Wednesday, 22nd February. The contest will be rated for users upto $$$6$$$-star, i.e, with rating $$$\lt 2500$$$.

Time: 8 PM — 11:00 PM IST

Joining us on the problem setting panel are:

• Setters: Kanhaiya notsoloud1 Mohan, GudeGude, Amir Hossein E404_Not_Found Farhadi, Satish Kumar NinjaSenpai Prajapati, Danny dannyboy20031204 Boy, Nishank IceKnight1093 Suresh
• Testers: Takuki tabr Kurokawa, Yash yash_daga Daga
• Statement Verifier: Nishank IceKnight1093 Suresh
• Video Editorialists: Sundar K Letscode_sundar, Madhav jhamadhav Jha, Suraj jhasuraj01 Jha, Jwala jwalapc, Rohit ezo_tihor Oze, Adhish ak2006 Kancharla
• Text Editorialist: Nishank IceKnight1093 Suresh
• Contest Admins: Satyam satyam343, 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!

We invite you to participate in CodeChef’s Starters 70, this Wednesday, 21st December, rated till 6-stars (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, Wuhudsm wuhudsm, S.Manuj DarkSparkle Nanthan, Mayank DreadArceus Talwar, Ashley errorgorn Khoo, Chaitanya Chaty342 Darwai, Utkarsh Utkarsh.25dec Gupta
• Testers: Nishank IceKnight1093 Suresh, Satyam satyam343
• Statement Verifier: Kanhaiya notsoloud1 Mohan
• Video Editorialists: Garvit garvitvirmani0 Virmani, Madhav jhamadhav Jha, Suraj jhasuraj01 Jha, Jwala jwalapc
• Text Editorialist: 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!

We invite you to participate in CodeChef’s Starters 57, this Thursday, 22nd September, rated for Div 3 & 4 Coders.

Time: 8 PM — 11:00 PM IST

Joining us on the problem setting panel are:

• Setters: Nishank IceKnight1093 Suresh , S.Manuj DarkSparkle Nanthan, Srikkanth srikkanthr Ramachandran, Arpit Dutt ashwathamaa Dixit, Raghav rag-hav Agarwal, Milind jainmilind Jain

• Tester: Takuki tabr Kurokawa

• Statement Verifier: Nishank IceKnight1093 Suresh

• Contest Admin: Nishank IceKnight1093 Suresh

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 56, this Wednesday, 14th September, rated for Div 2,3 & 4 Coders.

Time: 8 PM — 11:00 PM IST

Joining us on the problem setting panel are:

• Setters: Nishank IceKnight1093 Suresh, Tejas tejas10p Pandey, Utkarsh Utkarsh.25dec Gupta, Kanhaiya notsoloud1 Mohan, Vibhu vibhug507 Garg, wuhudsm

• Testers: Utkarsh Utkarsh.25dec Gupta, Jatin rivalq Garg

• Statement Verifier: Kanhaiya notsoloud1 Mohan

• Editorialist: Nishank IceKnight1093 Suresh

• Contest Admins: Nishank IceKnight1093 Suresh, Tejas tejas10p Pandey

The written editorials will be available in the ‘Solutions’ tab of each problem once the contest ends

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 September Long Challenge, starting this Friday, 9th September, 3 PM IST onwards.

Please note, the contest is open for 3 days, i.e, from 9th — 12th September. The Long Challenge will be rated for Div 3 & 4 coders.

Joining me on the problem setting panel are:

• Setters: S.Manuj DarkSparkle Nanthan, Mradul bhatnagar.mradul Bhatnagar, Souradeep souradeep.99 Paul, Ayush Ayushrusiya47 Rusiya, Ashutosh ashutosh_gautam Gautam, Vibhu vibhug507 Garg, Yash PoPularPlusPlus Thakker, Sourav _Dormammu_ Biswas, Ishan Naruto_301 Khandelwal

• Testers: Satyam satyam343 Kumar Roy, Jatin rivalq Garg

• Statement Verifier: Kanhaiya notsoloud1 Mohan

• Editorialist: Nishank IceKnight1093 Suresh

• Contest Admin: Nishank IceKnight1093 Suresh

The written editorials will be available in the ‘Solutions’ tab of each problem once the contest ends

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 July Lunchtime, this Sunday, 17th July, rated for all.

Time: 8:00 PM — 11:30 PM IST

Please note, the contest duration is changed to 3.5 Hours, i.e, from 8:00 PM — 11:30 PM

Joining me on the problem setting panel are:

• Setters: Utkarsh Utkarsh.25dec Gupta, Jeevan Jyot JeevanJyot Singh, Nishank IceKnight1093 Suresh, Ashish Ashishgup Gupta, Anay AwakeAnay Karnik, Jatin jtnydv25 Yadav, Udit T1duS Sanghi

• Tester: Harris gamegame Leung

• Statement Verifier: Nishank IceKnight1093 Suresh

• Contest Admin: Nishank IceKnight1093 Suresh, Ashish Ashishgup Gupta

• Head Admin: Alex Um_nik Danilyuk

• Editorialist: Aryan Aggu_01000101 Agarwala

The video editorials of the problems will be available on our YouTube channel as soon as the contest ends. Subscribe to get notifications about our new editorials.

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.

Since this contest contains problems from the Indian IOI Team Selection Tests, those students are requested to not participate.

Hope to see you participating. Good Luck!