We hope you participated and enjoyed the changes made to monthly Long Contests.

Continuing from there, we bring you the 4th Anniversary March 2013 Long Challenge. The March 2013 Algorithm Challenge is taking place on http://www.codechef.com/MARCH13.

Here are the details:
Date: 1st March 2013 to 11th March 2013
Duration: 10 days
Problems: 9 binary problems of varying difficulty levels + 1 Interactive challenge problem.

Problem Setters:

• Vinayak Garg (vinayakgarg),
• Kaushik Iska (cauchyk),
• Vitaliy Herasymiv (witua),
• David Stolp (pieguy),
• Tuan Anh (tuananh93),
• Roman Rubanenko (Rubanenko),
• Sergey Kulik,
• Istvan Nagy (iscsi),
• Vamsi Kavala (vamsi.kavala)

Problem Tester : Anton Lunyov (Anton Lunyov ),

Editorialist : Shilp Gupta (goons_will_rule )

It promises to deliver on an interesting set of algorithmic problems with prizes up for grabs.

The contest is open for all and those, who are interested, are requested to register in order to participate.

Check out the local time in your City/Time Zone here. Do share your feedback on what you feel about the new long contest format at feedback@codechef.com

Good Luck! Hope to see you participating.

CodeChef invites you to participate in the February CookOff 2012 at http://www.codechef.com/COOK31.

Time: 17th February 2013 (2130 hrs) to 18th February 2013 (0000 hrs). (+5:30 GMT) — Check your timezone.
Details: http://www.codechef.com/COOK31/
Registration: Just need to have a CodeChef user id to participate. New users please register here

Problem Setter: Anton Lunyov
Problem Tester: Hiroto Sekido
Editorialist: Ashar Fuadi

It promises to deliver on an interesting set of algorithmic problems with something for all.
The contest is open for all and those, who are interested, are requested to have a CodeChef userid, in order to participate.

We hope you participated and enjoyed the changes made to monthly Long Contests.

We bring you the CodeChef February 2013 Long Challenge. The February 2013 Algorithm Challenge is taking place on http://www.codechef.com/FEB13.

Here are the details:
Date: 1st February 2013 to 11th February 2013
Duration: 10 days
Problems: 9 binary problems of varying difficaulty levels + 1 challenge problem.

Problem Setters:

• Vinayak Garg (vinayakgarg),
• Vitaliy Herasymiv (witua),
• Roman Rubanenko (Rubanenko),
• Imran Sunny (sunny),
• Kaushik Iska (cauchyk),
• Khadar Basha (monumahiya),
• David Stolp (pieguy),
• Sergey Kulik,
• Bruno Oliveira and
• Shanjingbo

Problem Tester : Hiroto Sekido (laycurse)
Editorialist: Pradeep Mathias (pragrame)

It promises to deliver on an interesting set of algorithmic problems with prizes up for grabs.

The contest is open for all and those, who are interested, are requested to register in order to participate.

Check out the local time in your City/Time Zone here. Do share your feedback on what you feel about the new long contest format at feedback@codechef.com

Good Luck! Hope to see you participating.

CodeChef brings you another dish in the menu for this weekend. Yes, its a REPLAY of the ACM-ICPC Amritapuri onsite Regionals 2012.

Here are the details:
Date: 25th January 2013 to 28th January 2013
Duration: 3 days
Problems: 11 binary problems of varying difficulty levels.

Problem Setters and Testers:

• Pradeep Mathias (pragrame),
• Utkarsh Lath (utkarshl),
• Pratik Tandel (pt1989), and
• Varun Jalan

Editorialist: Pradeep Mathias (pragrame )

Come and check out, what was the problem set for those, who went to the World finals from Amritapuri Regionals.

The contest is open for all and those, who are interested, and do not have a CodeChef username yet, are requested to register in order to participate.

Check out the local time in your City/Time Zone here.

Good Luck! Hope to see you participating.

CodeChef invites you to participate in the Januray CookOff 2012 at http://www.codechef.com/COOK30.

Time: 20th January 2013 (2130 hrs) to 21st January 2013 (0000 hrs). (Indian Standard Time — +5:30 GMT) — Check your timezone.
Details: http://www.codechef.com/COOK30/
Registration: Just need to have a CodeChef user id to participate. New users please register here
Problem Setter: Hiroto Sekido
Problem Tester: Anton Lunyov
Editorialist: Ashar Fuadi

It promises to deliver on an interesting set of algorithmic problems with something for all.
The contest is open for all and those, who are interested, are requested to have a CodeChef userid, in order to participate.

Team CodeChef wishes you all a very Happy New Year!

We hope you participated and enjoyed the changes made to monthly Long Contests. We had made some changes to the long contest format to make it more exciting. 10 problems for 10 days! It now has everything for everyone, be it a newbie or a veteran You can read more about it in here.

Continuing from there, we bring you the CodeChef January 2013 Long Challenge. The January 2013 Algorithm Challenge is taking place on http://www.codechef.com/JAN13.

Here are the details:
Date: 1st January 2013 to 11th January 2013
Duration: 10 days
Problems: 9 binary problems of varying difficulty levels + 1 challenge problem.

Problem Setters:

• Ivan Zdomsky (ballon),
• Vitaliy Herasymiv (witua),
• AnhDQ (AnhDQ),
• Vitalij Kozhukhivskij (Witalia),
• Vivek Hamirwasia (viv001),
• Khadar Basha (monumahiya),
• Kaushik Iska (cauchyk),
• David Stolp (pieguy),
• Hiroto Sekido (laycurse) and
• Vinayak Garg

Problem Tester and Editorialist: Anton Lunyov (Anton Lunyov )

It promises to deliver on an interesting set of algorithmic problems with prizes up for grabs.

The contest is open for all and those, who are interested, are requested to register in order to participate.

Check out the local time in your City/Time Zone here. Do share your feedback on what you feel about the new long contest format at feedback@codechef.com

Good Luck! Hope to see you participating.

CodeChef invites you to participate in the December CookOff 2012 at http://www.codechef.com/COOK29.

Time: 23rd December 2012 (2130 hrs) to 24th December 2012 (0000 hrs). (Indian Standard Time — +5:30 GMT) — Check your timezone.
Details: http://www.codechef.com/COOK29/
Registration: Just need to have a CodeChef user id to participate. New users please register here
Problem Setter: David Stolp
Problem Tester: Anton Lunyov
Editorialist: Pradeep Mathias

It promises to deliver on an interesting set of algorithmic problems with something for all.
The contest is open for all and those, who are interested, are requested to have a CodeChef userid, in order to participate.

We hope you participated and enjoyed the changes made to monthly Long Contests. We had made some changes to the long contest format to make it more exciting. 10 problems for 10 days! It now has everything for everyone, be it a newbie or a veteran You can read more about it in here.

Continuing from there, we bring you the CodeChef December 2012 Long Challenge. The December 2012 Algorithm Challenge is taking place on http://www.codechef.com/DEC12.

Here are the details:
Date: 1st December 2012 to 11th December 2012
Duration: 10 days
Problems: 9 binary problems of varying difficulty levels + 1 challenge problem.

Problem Setter:

• Vamsi Kavala (vamsi_kavala),
• Anton Lunyov (Anton Lunyov ),
• Roman Rubanenko (Rubanenko),
• Ivan Zdomsky (ballon),
• Ankul Garg (ankulgarg),
• Bruno Olvera (bruno_oliv),
• Khadar Basha (monumahiya),
• Tuan Anh, and
• Vinayak Garg

Problem Tester : Hiroto Sekido (laycurse).

Editorialist : Ashar Fuadi (fushar)

It promises to deliver on an interesting set of algorithmic problems with prizes up for grabs.

The contest is open for all and those, who are interested, are requested to register in order to participate.

Check out the local time in your City/Time Zone here. Do share your feedback on what you feel about the new long contest format at feedback@codechef.com

Good Luck! Hope to see you participating.

Like every month, we have brought to you the CodeChef Cook-Off for November 2012. The November Cook-Off contest is taking place on http://www.codechef.com/COOK28

Here are the details:
Date: Sunday 18th November 2012
Duration: 9:30 pm to 12:00 am (Indian Standard Time)
Problems: 5 problems.

Problem Setter: Vitaliy Herasymiv (witua),

Problem Tester: Anton Lunyov (Anton_Lunyov),

Editorialist: Shilp Gupta (goons_will_rule),

It promises to deliver on an interesting set of algorithmic problems.

The contest is open for all and those, who are interested and do not have a CodeChef handle, are requested to register here in order to participate.

Check out the local time in your City/Time Zone here. Do share your feedback on what you feel about the new contest format at feedback@codechef.com

Good Luck! Hope to see you participating.

In case you have not yet checked our new forums please do so here: (http://discuss.codechef.com/),

We hope you participated and enjoyed the changes made to monthly Long Contests. We had made some changes to the long contest format to make it more exciting. 10 problems for 10 days! It now has everything for everyone, be it a newbie or a veteran You can read more about it in here.

Continuing from there, we bring you the CodeChef November 2012 Long Challenge. The November 2012 Algorithm Challenge is taking place on http://www.codechef.com/NOV12.

Here are the details:
Date: 1st November 2012 to 11th November 2012
Duration: 10 days
Problems: 9 binary problems of varying difficulty levels + 1 challenge problem.

Problem Setters:

• David Stolp (pieguy),
• Roman Rubanenko (Rubanenko),
• Imran Sunny (_sunny),
• Tomaz Hocevar (thocevar),
• Vitalij Kozhukhivskij, (Witalia),
• Vitaliy Herasymiv (witua),
• Kaushik Iska (cauchyk),
• Vamsi Kavala (vamsi.kavala),
• Khadar Basha
• Vinayak Garg

Problem Tester: Hiroto Sekido (LayCurse),

Editorialist: Shilp Gupta(goons_will_rule )

It promises to deliver on an interesting set of algorithmic problems with prizes up for grabs.

The contest is open for all and those, who are interested, are requested to register in order to participate.

Check out the local time in your City/Time Zone here. Do share your feedback on what you feel about the new long contest format at feedback@codechef.com

Good Luck! Hope to see you participating.

PLEASE NOTE: The problems will use the new cluster (faster judge)

CodeChef invites you to participate in the October Mega CookOff 2012 at http://www.codechef.com/COOK27. It is also a warm up contest for the ACM ICPC Regionals (India). The contest is open to all. Please note that participation in this warmup contest is not enough for ICPC participation.
Participate in this October Mega Cook-Off 2012 and get your ACM-ICPC expenses reimbursed. To know more, read here

Time: 2130 hrs 21st October 2012 to 0000 hrs, 22nd October 2012 (Indian Standard Time — +5:30 GMT) — Check your timezone.
Details: http://www.codechef.com/COOK27/
Registration: Just need to have a CodeChef user id to participate. New users please register here
Problem Setter: Gennady Korotkevich
Problem Tester: Shilp Gupta
Editorialist: Nikhil Garg

It promises to deliver on an interesting set of algorithmic problems with something for all.
The contest is open for all and those, who are interested, are requested to have a CodeChef userid, in order to participate.

*Please note that only Indian winners are eligible for reimbursement.

We hope you participated and enjoyed the changes made to monthly Long Contests. We had made some changes to the long contest format to make it more exciting. 10 problems for 10 days! It now has everything for everyone, be it a newbie or a veteran You can read more about it in here.

Continuing from there, we bring you the CodeChef October 2012 Long Challenge. The October 2012 Algorithm Challenge is taking place on http://www.codechef.com/OCT12.

Here are the details:
Date: 1st October 2012 to 11th October 2012
Duration: 10 days
Problems: 9 binary problems of varying difficulty levels + 1 challenge problem.

Problem Setter:

• Gaoyuan Chen (cgy4ever),
• Kaushik Iska (cauchyk),
• Nikhil Garg (Nikhil),
• Vitalij Kozhukhivskij (Witalia),
• Vitaliy Herasymiv (witua),
• Roman Rubanenko (Rubanenko),
• Vamsi Kavala (vamsi_kavala),
• Khadar Basha,
• Hiroto Sekido (laycurse).

Problem Tester and Editorialist : Anton Lunyov ( Anton Lunyov ),

It promises to deliver on an interesting set of algorithmic problems with prizes up for grabs.

The contest is open for all and those, who are interested, are requested to register in order to participate.

Check out the local time in your City/Time Zone here. Do share your feedback on what you feel about the new long contest format at feedback@codechef.com

Good Luck! Hope to see you participating.

CodeChef brings you another edition of Cook-Off in collaboration with Amritapuri as a part of Directi's Go For Gold initiative. You are cordially invited to participate in the CodeChef September Cook-Off, 2012 at http://www.codechef.com/COOK26 which is also a warm up contest for the Amritapuri ACM ICPC regionals. The contest is open to all. Please note that participation in this warmup contest is not enough for ICPC participation. You must also register at http://icpc.baylor.edu/. For details please visit: http://icpc.amrita.ac.in/2012/.

Time: 2130 hrs 23rd September 2012 to 0000 hrs, 24th September 2012 (Indian Standard Time — +5:30 GMT) — Check your timezone.
Details: http://www.codechef.com/COOK26/
Registration: Just need to have a CodeChef user id to participate. New users please register here
Problem Setter Nikhil Garg (Nikhil ).
Problem Tester: Shilp Gupta (goons_will_rule ).
Problem Editorialist: Ashar Fuadi.

It promises to deliver on an interesting set of algorithmic problems with something for all.
The contest is open for all and those, who are interested, are requested to have a CodeChef userid, in order to participate.

We hope you participated and enjoyed the changes made to monthly Long Contests. We had made some changes to the long contest format to make it more exciting. 10 problems for 10 days! It now has everything for everyone, be it a newbie or a veteran You can read more about it in here.

Continuing from there, we bring you the CodeChef September 2012 Long Challenge. The September 2012 Algorithm Challenge is taking place on http://www.codechef.com/SEP12.

Here are the details:
Date: 1st September 2012 to 11th September 2012
Duration: 10 days
Problems: 9 binary problems of varying difficulty levels + 1 challenge problem.

Problem Setters:

• Gennady Korotkevich (tourist ),
• Kaushik Iska (cauchyk),
• AnhDQ (AnhDQ),
• Roman Rubanenko(Rubanenko),
• Divyanshu Ranjan(idivyanshu),
• Kamran Maharov (kamran.maharov),
• Gaoyuan Chen (cgy4ever),
• Shangjingbo (shangjingbo).

Problem Tester: Hiroto Sekido (LayCurse),

Editorialist: Shilp Gupta (goons_will_rule),

It promises to deliver on an interesting set of algorithmic problems with prizes up for grabs.

The contest is open for all and those, who are interested, are requested to register in order to participate.

Check out the local time in your City/Time Zone here. Do share your feedback on what you feel about the new long contest format at feedback@codechef.com

Good Luck! Hope to see you participating.

CodeChef invites you to participate in the Silver Jubilee August 2012 CookOff at http://www.codechef.com/COOK25

Time: 2130 hrs 19th August 2012 to 0000 hrs, 20th August 2012 (Indian Standard Time — +5:30 GMT) — Check your timezone.
Details: http://www.codechef.com/COOK25/
Registration: Just need to have a CodeChef user id to participate. New users please register here
Problem Setter: Shilp Gupta.
Problem Tester: Hiroto Sekido.
Problem Editorialist: Shilp Gupta.

It promises to deliver on an interesting set of algorithmic problems with something for all.
The contest is open for all and those, who are interested, are requested to have a CodeChef userid, in order to participate.

We hope you participated and enjoyed the changes made to monthly Long Contests. We had made some changes to the long contest format to make it more exciting. 10 problems for 10 days! It now has everything for everyone, be it a newbie or a veteran You can read more about it in here.

Continuing from there, we bring you the CodeChef August 2012 Long Challenge. The August 2012 Algorithm Challenge is taking place on http://www.codechef.com/AUG12.

Here are the details:
Date: 1st August 2012 to 11th August 2012
Duration: 10 days
Problems: 9 binary problems of varying difficulty levels + 1 challenge problem.

Problem Setters:

• Gennady Korotkevich (tourist ),
• Kaushik Iska (cauchyk),
• Nikhil Garg (Nikhil),
• Vitaliy Herasymiv (witua),
• AnhDQ (AnhDQ),
• David Stolp,
• Khadar Basha,
• Shanjingbo,
• Vamsi Kavala.

Problem Tester: Hiroto Sekido (Hiroto Sekido ),

It promises to deliver on an interesting set of algorithmic problems with prizes up for grabs.

The contest is open for all and those, who are interested, are requested to register in order to participate.

Check out the local time in your City/Time Zone here. Do share your feedback on what you feel about the new long contest format at feedback@codechef.com

Good Luck! Hope to see you participating.

CodeChef invites you to participate in the July 2012 CookOff at http://www.codechef.com/COOK24

Time: 2130 hrs 22nd July 2012 to 0000 hrs, 23rd July 2012 (Indian Standard Time — +5:30 GMT) — Check your timezone.
Details: http://www.codechef.com/COOK24/
Registration: Just need to have a CodeChef user id to participate. New users please register here
Problem Setter: Hiroto Sekido
Problem Tester: Maxim Kolosovskiy / Anton_Lunyov.
Problem Editorialist: Anton_Lunyov.

It promises to deliver on an interesting set of algorithmic problems with something for all.
The contest is open for all and those, who are interested, are requested to have a CodeChef userid, in order to participate.

Tags: algorithms codechef recent contest

We hope you participated and enjoyed the changes made to monthly Long Contests. We had made some changes to the long contest format to make it more exciting. 10 problems for 10 days! It now has everything for everyone, be it a newbie or a veteran You can read more about it in here.

Continuing from there, we bring you the CodeChef July 2012 Long Challenge. The July 2012 Algorithm Challenge is taking place on http://www.codechef.com/JULY12.

Here are the details:
Date: 1st July 2012 to 11th July 2012
Duration: 10 days
Problems: 9 binary problems of varying difficulty levels + 1 challenge problem.

Problem Setters :

• Namit Shetty (shettynamit),
• Shanjingbo,
• Kamran maharov (kamran_maharov),
• Vitaliy Herasymiv (witua),
• Nikhil Garg (Nikhil),
• Sergey Kulik (cherrytree304),
• Kaushik Iska (cauchyk),
• Gennady Korotkevich (tourist ),
• Vamsi Kavala,
• Anton Lunyov (Anton_Lunyov).

Problem Tester: Hiroto Sekido (LayCurse),

It promises to deliver on an interesting set of algorithmic problems with prizes up for grabs.

The contest is open for all and those, who are interested, are requested to register in order to participate.

Check out the local time in your City/Time Zone here. Do share your feedback on what you feel about the new long contest format at feedback@codechef.com

Good Luck! Hope to see you participating.

CodeChef invites you to participate in the June 2012 CookOff at http://www.codechef.com/COOK23

Time: 2130 hrs 17th June 2012 to 0000 hrs, 18th June 2012 (Indian Standard Time — +5:30 GMT) — Check your timezone.
Details: http://www.codechef.com/COOK23/
Registration: Just need to have a CodeChef user id to participate. New users please register here
Problem Setter: Anil Kishore
Problem Tester: Hiroto Sekido

It promises to deliver on an interesting set of algorithmic problems with something for all.
The contest is open for all and those, who are interested, are requested to have a CodeChef userid, in order to participate.

We hope you participated and enjoyed the changes made to monthly Long Contests. We had made some changes to the long contest format to make it more exciting. 10 problems for 10 days! It now has everything for everyone, be it a newbie or a veteran You can read more about it in here.

Continuing from there, we bring you the CodeChef June 2012 Long Challenge. The June 2012 Algorithm Challenge is taking place on http://www.codechef.com/JUNE12.

Here are the details:
Date: 1st June 2012 to 11th June 2012
Duration: 10 days
Problems: 9 binary problems of varying difficulty levels + 1 challenge problem.

Problem Setter: IstvanNagy (iscsi), Namit Shetty(shettynamit), Hiroto Sekido (LayCurse), Kaushik Iska (cauchyk), Vitaliy Herasymiw, Duc/ Shilp Gupta, Shanjingbo.

Problem Tester: Anton Lunyov (Anton_Lunyov),

It promises to deliver on an interesting set of algorithmic problems with prizes up for grabs.

The contest is open for all and those, who are interested, are requested to register in order to participate.

Check out the local time in your City/Time Zone here. Do share your feedback on what you feel about the new long contest format at feedback@codechef.com

Good Luck! Hope to see you participating

In case you have not yet checked our new forums please do so here. `

CodeChef invites you to participate in the May 2012 CookOff at http://www.codechef.com/COOK22

Time: 2130 hrs 20th May 2012 to 0000 hrs, 21th May 2012 (Indian Standard Time — +5:30 GMT) — Check your timezone.
Details: http://www.codechef.com/COOK22/
Registration: Just need to have a CodeChef user id to participate. New users please register here
Problem Setter: Vitaliy Gerasymiw.
Problem Tester: Антон Лунёв (Anton_Lunyov)

It promises to deliver on an interesting set of algorithmic problems with something for all.
The contest is open for all and those, who are interested, are requested to have a CodeChef userid, in order to participate.

We hope you participated and enjoyed the changes made to monthly Long Contests. We had made some changes to the long contest format to make it more exciting. 10 problems for 10 days! It now has everything for everyone, be it a newbie or a veteran :) You can read more about it in here.

Continuing from there, we bring you the CodeChef May 2012 Long Challenge. The May 2012 Algorithm Challenge is taking place on http://www.codechef.com/MAY12.

Here are the details:
Date: 1st May 2012 to 11th May 2012
Duration: 10 days
Problems: 9 binary problems of varying difficulty levels + 1 challenge problem.

Problem Setter: Nikhil Garg, Hiroto Sekido (LayCurse), Imran Sunny, Kaushik Iska (cauchyk), David Stolp (pieguy), Vitaliy Gerasymiw, AnhDQ, Ishani Parekh (RosyIsh)

Problem Tester: Subramanyam Velaga

It promises to deliver on an interesting set of algorithmic problems with prizes up for grabs.

The contest is open for all and those, who are interested, are requested to register in order to participate.

Check out the local time in your City/Time Zone here. Do share your feedback on what you feel about the new long contest format at feedback@codechef.com

Good Luck! Hope to see you participating

In case you have not yet checked our new forums please do so here.

CodeChef invites you to participate in the April 2012 CookOff at http://www.codechef.com/COOK21

Time: 2130 hrs 22nd Aril 2012 to 0000 hrs, 23rd April 2012 (Indian Standard Time — +5:30 GMT) — Check your timezone.
Details: http://www.codechef.com/COOK21/
Registration: Just need to have a CodeChef user id to participate. New users please register here
Problem Setter: Anil Kishore
Problem Tester: Maxim Kolosovskiy.

It promises to deliver on an interesting set of algorithmic problems with something for all.
The contest is open for all and those, who are interested, are requested to have a CodeChef userid, in order to participate.

We hope you participated and enjoyed the changes made to monthly Long Contests. We had made some changes to the long contest format to make it more exciting. 10 problems for 10 days! It now has everything for everyone, be it a newbie or a veteran :) You can read more about it in here.

Continuing from there, we bring you the CodeChef April 2012 Long Challenge. The April 2012 Algorithm Challenge is taking place on http://www.codechef.com/APRIL12.

Here are the details:
Date: 1st April 2012 to 11th April 2012
Duration: 10 days
Problems: 9 binary problems of varying difficulty levels + 1 challenge problem.

Problem Setter: Sergey Kulik, Kaushik Iska (cauchyk), Tomaž Hočevar (thocevar), Jingbo Shang (shangjingbo), AnhDQ, Vitaliy Gerasymiw Ishani Parekh (RosyIsh), Vamsi Kavala, David Stolp (pieguy)

Problem Tester: Hiroto Sekido (LayCurse)

It promises to deliver on an interesting set of algorithmic problems with prizes up for grabs.

The contest is open for all and those, who are interested, are requested to register in order to participate.

Check out the local time in your City/Time Zone here. Do share your feedback on what you feel about the new long contest format at feedback@codechef.com

Good Luck! Hope to see you participating

In case you have not yet checked our new forums please do so here.

CodeChef invites you to participate in the March 2012 CookOff.

Time: 2130 hrs 18th March 2012 to 0000 hrs, 19th March 2012 (Indian Standard Time — +5:30 GMT) — Check your timezone.
Details: COOK20
Registration: Just need to have a CodeChef user id to participate. New users please register here
Problem Setter: Hiroto Sekido (LayCurse)
Problem Tester: Rajiv Kumar Aggarwal

It promises to deliver on an interesting set of algorithmic problems with something for all.
The contest is open for all and those, who are interested, are requested to have a CodeChef userid, in order to participate.