CodeChef invites you to participate in the January Cook-off 2014 at http://www.codechef.com/COOK42.

Time : 19th January 2014 (2130 hrs) to 20th January 2014 (0000 hrs). (Indian Standard Time — +5:30 GMT) — Check your timezone.
Details : http://www.codechef.com/COOK42/

Registration: Just need to have a CodeChef user id to participate.

New users please register here.

• Problem Setter : Abdullah Al Mahmud
• Problem Tester & Russian Translator : Gerald
• Editorialist : Praveen Reddy Vaka
• Mandarin Translator : Minako Kojima

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.

New Year Greetings Everyone !!!

We cordially invite you all to the first CodeChef long challenge of the year 2014. The contest 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, just need are a CodeChef username to participate. Those who do not have a CodeChef username are requested to register in order to participate.

The problem statements of the contest will also be available in Mandarin Chinese and Russian as well.

Spanning over two weekends, starting from the first Friday of every month, our monthly long challenges promise to whet your programming appetite, with 9 binary problems of varying difficulty levels & 1 challenge problem.

The January Challenge 2014 is taking place on http://www.codechef.com/JAN14.

The contest details are as follows:

Start Date: Friday, 3rd January, 2014 3:00 PM (IST)
End Date: Monday, 13rd January 2014 3:00 PM (IST)
Contest Duration: 10 days

Problem Setters:

• David Stolp (pieguy),
• Kaushik Iska (cauchyk),
• Konstantin Sokol (kostya_by),
• Mugurel Ionut Andreica (mugurelionut),
• Nikhil Garg (Nikhil),
• Roman Rubanenko (rubanenko),
• Sergey Nagin (sereja),
• Tuan Anh (tuananh93),
• Vivek Hamirwasia (viv001)

Problem Testers:

• Mahbub (dragoon),
• Gerald (Gerald)

Editorialist: ShangJIngbo (shangjingbo)

Mandarin Translator: Kojima Minako (xiaodao)

Russian Translators: Sergey Kulik (cherrytree)

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 Lunchtime 2013 at http://www.codechef.com/LTIME07.

LunchTime is a part of our new CodeChef For Schools initiative.

LunchTime is specially targeted towards the middle and high school students from across the globe. If you are in middle school or high school, this is what will whet your appetite. Sharpen your weapon of choice and get take the fight to go against the programmers from all over the globe. On you rides the pride of your school, carve its name atop the rank tables and attain immortality. You will be on your own against the 4 algorithmic problems of varying difficulty and numerous worthy foes from different part of the globe for 3 hours when you attend LunchTime.

And if you have passed high school, do not fret. You can still take part and show them your worth.

Time: 29th December 2013 (1100 hrs) to 29th December 2013 (1400 hrs). (Indian Standard Time — +5:30 GMT) — Check your timezone.

Details: http://www.codechef.com/LTIME07/

Registration: Just need to have a CodeChef user id to participate. New users please register here

Problem Setter : Constantine Sokol
Problem Tester and Russian Translator Roman Rubanenko
Editorialist: Praveen Vaka
Mandarin Translator: Minako Kojima

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.

CodeChef invites you to participate in the December CookOff 2013 at http://www.codechef.com/COOK41.

Time: 22nd December 2013 (2130 hrs) to 23rd December 2013 (0000 hrs). (Indian Standard Time — +5:30 GMT) — Check your timezone.

Details: http://www.codechef.com/COOK41

Registration: Just need to have a CodeChef user id to participate.

New users please register here

• Problem Setter :Gerald‎ Agapov
• Problem Tester :Tasnim Imran Sunny
• Editorialist : ShangJingbo
• Mandarin Translator : Kojima Minako
• Russian Translator : Sergey Nagin

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.

This contest is a REPLAY of the ACM-ICPC Kanpur onsite Regionals 2013.

”The ACM-ICPC Kanpur onsite regionals 2013: Replay” is taking place on http://www.codechef.com/KAN13ACM.

Here are the details:
Date: 14th December 2013
Duration: 5 hours
Problems: 9 binary problems of varying difficulty levels

Problem Setters:

• Dr. M. Kaykobad
• Dr. M Sohel Rahman
• Dr. Mustaq Ahmed
• Abdullah Al Mahmud
• Asif Haque
• Tanaeem Moosa

Problem Tester and Editorialist: - ShangJIngbo (shangjingbo)

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

This is a TEAM CONTEST. A team can consist of atmost 3 members. One person can’t be part of more than one team. To register your team, please log in and click here : http://www.codechef.com/teams/register/KAN13ACM

IMPORTANT NOTE: The registration link will be active during the contest as well, i.e you can register for your team even after the contest starts.

Check out the local time in your City/Time Zone here. Do share your feedback at feedback@codechef.com

Good Luck! Hope to see you participating.

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

From now on, we will be having the problem statements available in Mandarin Chinese and Russian as well

As always, the long contests will start on first Friday of every month and last for 10 days. This ensures that two weekends are covered.

Continuing from there, we bring you the CodeChef December 2013 Long Challenge. The December 2013 Algorithm Challenge is taking place on http://www.codechef.com/DEC13.

Here are the details:
Date: 6th December 2013 to 16th December 2013
Duration: 10 days
Problems: 9 binary problems of varying difficulty levels + 1 challenge problem.

Problem Setters:

• Bruno Oliveira (bruno_oliv),
• Iaroslav Tverdokhlib (KADR),
• Ivan Zdomsky (ballon),
• Konstantin Sokol (kostya_by),
• Minako Kojima (xiaodao),
• Roman Rubanenko (rubanenko),
• Sergey Kulik (cherrytree),
• Tuan Anh (tuananh93),
• Vitalij Kozhukhivskij (Witalia),
• Vivek Hamirwasia (viv001)

Problem Testers:

• Maubub(dragoon)
• Gerald (Gerald)

Editorialist: - ShangJIngbo (shangjingbo)

Mandarin Translator: - Kojima Minako (xiaodao)

Russian Translators: - Roman Rubanenko (rubanenko)

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 November CookOff 2013 at http://www.codechef.com/COOK40.

Time: 17th November 2013 (2130 hrs) to 18th November 2013 (0000 hrs). (Indian Standard Time — +5:30 GMT) — Check your timezone.

Details: http://www.codechef.com/COOK40/

Registration: Just need to have a CodeChef user id to participate.

New users please register here

• Problem Setter : Vineet Paliwal
• Problem Tester and Russian Translator : Roman Rubanenko
• Editorialist : ShangJingbo
• Mandarin Translator : xiaodao

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.

From now on, we will also be having the problem statements available in Mandarin Chinese and Russian as well :) So invite Russian and Mandarin speaking friends to solve these problems.

As always, the long contests will start on first Friday of every month and last for 10 days. This ensures that two weekends are covered.

We bring you the CodeChef November 2013 Long Challenge. The November 2013 Algorithm Challenge is taking place on http://www.codechef.com/NOV13.

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

Problem Setters:

• Bruno Oliveira (bruno_oliv),
• Divyanshu Ranjan (idivyanshu),
• Gerald (Gerald),
• Ivan Zdomsky (ballon),
• Konstantin Sokol (kostya_by),
• Sergey Nagin (sereja),
• Tuan Anh (tuananh93),
• Utkarsh Lath (utkarshl).

Problem Testers: - Maubub(dragoon) - Tom Chen (WJMZBMR)

Editorialist: - Shaleen Sharma

Mandarin Translator: - Kojima Minako (xiaodao)

Russian Translators: - Roman Furko (furko) - Sergey Kulik (CherryTree)

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 fifth edition of LunchTime, the CodeChef Junior Programming Series, at http://www.codechef.com/LTIME05.

Time: 27th October 2013 (1100 hrs) to 27th October 2013 (1400 hrs). (Indian Standard Time — +5:30 GMT) — Check your timezone.

LunchTime is a part of our new CodeChef For Schools initiative.

LunchTime is specially targeted towards the middle and high school students from across the globe. If you are in middle school or high school, this is what will whet your appetite. Sharpen your weapon of choice and get take the fight to go against the programmers from all over the globe. On you rides the pride of your school, carve its name atop the rank tables and attain immortality. You will be on your own against the 4 algorithmic problems of varying difficulty and numerous worthy foes from different part of the globe for 3 hours when you attend LunchTime.

And if you have passed high school, do not fret. You can still take part and show them your worth.

Details: http://www.codechef.com/LTIME05/
Registration: Just need to have a CodeChef user id to participate. New users please register here

Problem Setter and Editorialist: Vineet Paliwal.
Problem Tester: Roman Rubanenko.
Russian Translator: Sergey Kulik.

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.

CodeChef invites you to participate in the October Mega CookOff 2013 at http://www.codechef.com/COOK39.This is the Mega Warm-up Contest for ACM ICPC Regionals (India).The top 75 Indian Students shall have their ACM-ICPC expenses reimbursed. Find the details here .

Time: 20th October 2013 (2130 hrs) to 21st October 2013 (0000 hrs). (Indian Standard Time — +5:30 GMT) — Check your timezone.

Details: http://www.codechef.com/COOK39/
Registration: Just need to have a CodeChef user id to participate.

New users please register here

• Problem Setter: Vitaliy Herasymiv
• Problem Tester: Tasnim Imran Sunny
• Editorialist: Tuan Anh
• Mandarin Translator: Minako Kojima
• Russian Translator: Sergey Kulik
  

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.

From now on, we will be having the problem statements available in Mandarin Chinese as well

As always, the long contests will start on first Friday of every month and last for 10 days. This ensures that two weekends are covered.

Continuing from there, we bring you the CodeChef October 2013 Long Challenge. The October 2013 Algorithm Challenge is taking place on http://www.codechef.com/OCT13.

Here are the details:
Date: 4th October 2013 to 14th October 2013
Duration: 10 days
Problems: 9 binary problems of varying difficulty levels + 1 challenge problem.

Problem Setters:

• Bruno Oliveira (bruno_oliv),
• Ivan Zdomsky (ballon‎),
• Kaushik Iska (cauchyk‎),
• Mugurel Ionut Andreica (mugurelionut‎ ‎),
• Sergey Nagin (Sereja),
• TianCheng Lou (ACRush‎),
• Tom Chen (AekdyCoin ),
• Vitaliy Herasymiv (witua),

Problem Tester: - ShangJingbo(ShangJingbo)

Editorialist: - Ajay Kumar Verma (djdolls)

Mandarin Translator: - Kojima Minako (xiaodao)

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 September CookOff 2013 at http://www.codechef.com/COOK38.

Time: 22nd September 2013 (2130 hrs) to 23rd September 2013 (0000 hrs). (Indian Standard Time — +5:30 GMT) — Check your timezone.

Details: http://www.codechef.com/COOK38/

Registration: Just need to have a CodeChef user id to participate.

New users please register here

• Problem Setter : Roman Rubanenko
• Problem Tester and Editorialist: Utkarsh Lath

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.

From now onwards, the long contests will start on first Friday on every month and last for 10 days. This ensures that two weekends are covered.

Continuing from there, we bring you the CodeChef September 2013 Long Challenge. The September 2013 Algorithm Challenge is taking place on http://www.codechef.com/SEPT13.

Here are the details:
Date: 6th September 2013 to 16th September 2013
Duration: 10 days
Problems: 9 binary problems of varying difficulty levels + 1 challenge problem.

Problem Setters:

• Kaushik Iska (cauchyk‎),
• Vivek Hamirwasia (viv001‎),
• Roman Furko (Furko),
• Vitaliy Herasymiv (witua),
• Roman Rubanenko (Rubanenko‎),
• Sergey Nagin (sereja),
• Surya Kiran (adurysk‎),
• Gerald Agapov (Gerald‎),
• Tuan Anh (tuananh93‎)

Problem Tester:

• Sergey Kulik,
• Mahbubul Hasan (dragoon‎)

Editorialist:

• Utkarsh Lath (utkarshl‎)

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 third edition of LunchTime, the CodeChef Junior Programming Series, at http://www.codechef.com/LTIME03.

Time: 25th August 2013 (1100 hrs) to 25th August 2013 (1400 hrs). (Indian Standard Time — +5:30 GMT) — Check your timezone.

LunchTime is a part of our new CodeChef For Schools initiative.

LunchTime is specially targeted towards the middle and high school students from across the globe. If you are in middle school or high school, this is what will whet your appetite. Sharpen your weapon of choice and get take the fight to go against the programmers from all over the globe. On you rides the pride of your school, carve its name atop the rank tables and attain immortality. You will be on your own against the 4 algorithmic problems of varying difficulty and numerous worthy foes from different part of the globe for 3 hours when you attend LunchTime.

And if you have passed high school, do not fret. You can still take part and show them your worth.

Details: http://www.codechef.com/LTIME03/
Registration: Just need to have a CodeChef user id to participate. New users please register here

Problem Setter and Editorialist: Sergey Kulik.
Problem Tester: Roman Rubanenko.

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.

CodeChef invites you to participate in the August CookOff 2013 at http://www.codechef.com/COOK37.

Time: 18th August 2013 (2130 hrs) to 19th August 2013 (0000 hrs). (Indian Standard Time — +5:30 GMT) — Check your timezone.
Details: http://www.codechef.com/COOK37
Registration: Just need to have a CodeChef user id to participate. New users please register here

Problem Setter : Tasnim Imran Sunny
Problem Tester :Roman Rubanenko
Editorialist: Utkarsh Lath

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.

From now onwards, the long contests will start on first Friday on every month and last for 10 days. This ensures that two weekends are covered.

Continuing from there, we bring you the CodeChef August 2013 Long Challenge. The August 2013 Algorithm Challenge is taking place on http://www.codechef.com/AUG13.

Here are the details:
Date: 2nd August 2013 to 12th August 2013
Duration: 10 days
Problems: 9 binary problems of varying difficulty levels + 1 challenge problem.

Problem Setter:

• Bruno Oliveira (bruno_oliv),
• Chen Gaoyuan (cgy4ever‎),
• Ivan Zdomsky (ballon),
• Kaushik Iska (cauchyk),
• Roman Furko (Furko),
• Sergey Nagin (sereja),
• Vamsi Kavala (vamsi_kavala),
• Vinayak Garg (vinayakgarg),
• Vitaliy Herasymiv (witua)

Problem Tester - Mahbubul Hasan (dragoon‎)

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 inaugural edition of LunchTime, the CodeChef Junior Programming Series, at http://www.codechef.com/LTIME02.

Time: 28th July 2013 (1100 hrs) to 28th July 2013 (1400 hrs). (Indian Standard Time — +5:30 GMT) — Check your timezone.

LunchTime is a part of our new CodeChef For Schools initiative.

LunchTime is specially targeted towards the middle and high school students from across the globe. If you are in middle school or high school, this is what will whet your appetite. Sharpen your weapon of choice and get take the fight to go against the programmers from all over the globe. On you rides the pride of your school, carve its name atop the rank tables and attain immortality. You will be on your own against the 4 algorithmic problems of varying difficulty and numerous worthy foes from different part of the globe for 3 hours when you attend LunchTime.

And if you have passed high school, do not fret. You can still take part and show them your worth.

Details: http://www.codechef.com/LTIME02/
Registration: Just need to have a CodeChef user id to participate. New users please register here

Problem Setter:Utkarsh Lath
Problem Tester: Roman Rubanenko,
Problem Editorialist: Bruno Oliveira

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.

CodeChef invites you to participate in the July CookOff 2013 at http://www.codechef.com/COOK36.

Time: 21st July 2013 (2130 hrs) to 22nd July 2013 (0000 hrs). (Indian Standard Time — +5:30 GMT) — Check your timezone.
Details: http://www.codechef.com/COOK36/
Registration: Just need to have a CodeChef user id to participate. New users please register here

Problem Setter : Tuan Anh
Problem Tester :Keshav Dhandhania
Editorialist: Utkarsh Lath

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.

From now onwards, the long contests will start on first Friday on every month and last for 10 days. This ensures that two weekends are covered.

Continuing from there, we bring you the CodeChef July 2013 Long Challenge. The July 2013 Algorithm Challenge is taking place on http://www.codechef.com/JULY13.

Here are the details:
Date: 5th July 2013 to 15th July 2013
Duration: 10 days
Problems: 9 binary problems of varying difficulty levels + 1 challenge problem.

Problem Setter:

• Kaushik Iska (cauchyk),
• Hiroto Sekido (laycurse),
• Ivan Zdomsky (ballon),
• Jay Pandya (mendax),
• Roman Furko (Furko),
• Sergey Nagin (sereja),
• Vamsi Kavala (vamsi_kavala),
• Vinayak Garg (vinayakgarg),
• Vitalij Kozhukhivskij

Problem Tester and 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 inaugural edition of LunchTime, the CodeChef Junior Programming Series, at http://www.codechef.com/LTIME01.

Time: 30th June 2013 (1100 hrs) to 30th June 2013 (1400 hrs). (Indian Standard Time — +5:30 GMT) — Check your timezone.

LunchTime is a part of our new CodeChef For Schools initiative.

LunchTime is specially targeted towards the middle and high school students from across the globe. If you are in middle school or high school, this is what will whet your appetite. Sharpen your weapon of choice and get take the fight to go against the programmers from all over the globe. On you rides the pride of your school, carve its name atop the rank tables and attain immortality. You will be on your own against the 4 algorithmic problems of varying difficulty and numerous worthy foes from different part of the globe for 3 hours when you attend LunchTime.
And if you have passed high school, do not fret. You can still take part and show them your worth.

Details: http://www.codechef.com/LTIME01/
Registration: Just need to have a CodeChef user id to participate. New users please register here

Problem Setter and Tester: Roman Rubanenko & Vamsi Kavala
Problem Editorialist: Bruno Oliveira

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.

CodeChef invites you to participate in the June CookOff 2013 at http://www.codechef.com/COOK35.

Time: 23rd June 2013 (2130 hrs) to 24th June 2013 (0000 hrs). (Indian Standard Time — +5:30 GMT) — Check your timezone.

Details: http://www.codechef.com/COOK35/
Registration: Just need to have a CodeChef user id to participate. New users please register here

Problem Setter and Editorialist: Pradeep Mathias
Problem Tester: Tuan Anh

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.

From now onwards, the long contests will start on first Friday on every month and last for 10 days. This ensures that two weekends are covered.

Continuing from there, we bring you the CodeChef June 2013 Long Challenge. The June 2013 Algorithm Challenge is taking place on http://www.codechef.com/JUNE13.

Here are the details:
Date: 7th June 2013 to 17th June 2013
Duration: 10 days
Problems: 9 binary problems of varying difficulty levels + 1 challenge problem.

Problem Setter:

• TianCheng Lou (ACRush),
• Vivek Hamirwasia (viv001),
• Vitaliy Herasymiv (witua),
• Tasnim Imran Sunny (rustinpiece),
• Shang Jingbo(shangjingbo),
• Anton Lunyov (Anton_Lunyov),
• Jay Pandya (mendax),
• Vamsi Kavala (vamsi_kavala),
• Sergey Kulik,
• Manish Kumar

Problem Tester:

• Hiroto Sekido (LayCurse),
• Tuan Anh Tran (tuananh93)
  
  

Editorialist: Pradep 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 invites you to participate in the May CookOff 2013 at http://www.codechef.com/COOK34.

Time: 19th May 2013 (2130 hrs) to 20th May 2013 (0000 hrs). (Indian Standard Time — +5:30 GMT) — Check your timezone.

Details: http://www.codechef.com/COOK34/
Registration: Just need to have a CodeChef user id to participate. New users please register here

Problem Setter: Abdullah Mahmud
Problem Tester: Shilp Gupta
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.

From now onwards, the long contests will start on first Friday on every month and last for 10 days. This ensures that two weekends are covered.

Continuing from there, we bring you the CodeChef May 2013 Long Challenge. The May 2013 Algorithm Challenge is taking place on http://www.codechef.com/MAY13.

Here are the details:
Date: 3rd May 2013 to 13th May 2013
Duration: 10 days
Problems: 9 binary problems of varying difficulty levels + 1 challenge problem.

Problem Setter:

• Tuan Anh (tuananh93),
• Roman Rubanenko (Rubanenko),
• Vamsi Kavala (vamsi.kavala),
• Kaushik Iska (cauchyk),
• Shalini Sah (mischievous_me),
• Manish Kumar (Manish-Kumar),
• Vinayak Garg (vinayakgarg),
• David Stolp (pieguy),
• Shangjingbo (shangjingbo).

Problem Tester:

• David Stolp (pieguy),
• Pradeep Mathias (pragrame)

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 April CookOff 2013 at http://www.codechef.com/COOK33.

Time: 21st April 2013 (2130 hrs) to 22nd April 2013 (0000 hrs). (Indian Standard Time — +5:30 GMT) — Check your timezone.

Details: http://www.codechef.com/COOK33/
Registration: Just need to have a CodeChef user id to participate.

New users please register here

Problem Setter: Vitaliy Herasimiv
Problem Tester: Hiroto Sekido
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.