Sphere Online Judge


12056291
total
submissions

264408
registered
users

5004
public
problems

20602
all
problems
3799
affiliated
institutions

3359
organized
contests

48
programming
languages


2014-02-27 12:41:24 Codecha.org by Łukasz Kuszner
Codecha (True Programmers' CAPTCHA) - the new project based on Sphere Engine - has just started.

2014-02-05 10:48:35 Badges for SPOJ by Ricardo Bittencourt (ricbit) by Łukasz Kuszner
Ricardo Bittencourt (ricbit) made SpojTweet to track your progress on SPOJ, and give badges for your achievements. Please have a look at an example page from the site, an exemplary tweet sent by a site, Ricardo's SPOJ forum post and more SPOJ tools.

2013-12-14 23:07:47 Are you a novice in programming? by Łukasz Kuszner
Please consider Simple Programming Problems. Comments and suggestions are very welcome here.

2013-09-02 23:00:44 Do you teach programming? by Łukasz Kuszner
Please consider SPOX - a system dedicated to teaching programming.

2013-08-28 17:41:25 Programacion Competitiva Bolivia by Łukasz Kuszner
A new subSPOJ for those who would like to try problems from Bolivian OI, ICPC and other contest. Please join bo.spoj.com.

2013-03-21 21:08:33 High School Programming League 2012/13 final results. The winner is Tomasz Rewak. Congratulations! by Łukasz Kuszner

Top 5 contestants:
1 Tomasz Rewak II Liceum Ogólnokształcące im. Stanisława Wyspiańskiego w Legnicy, Poland
2 Mario Lipovsky Spojená škola Novohradská, Slovakia
3 Aleksandar Ogrizovic Gimnazija "Veljko Petrović", Serbia
4 Tomasz Zwornicki I Liceum Ogólnokształcące im. Tadeusza Kościuszki w Łomży, Poland
5 Wojciech Zieliński Zespół Szkół UMK: Gimnazjum i Liceum Akademickie, Poland

more ...

Top 3 Teams:
1 Gimnazija "Veljko Petrović", Serbia
   (Coach: Duško Obradović)
2 Zespół Szkół UMK: Gimnazjum i Liceum Akademickie, Poland
   (Coach: Anna Beata Kwiatkowska)
3 Zespół Szkół Techniczno - Informatycznych w Gliwicach, Poland
   (Coach: Daniel Kuśka)

more ...

2013-02-27 14:05:01 ITRIX Online Programming Contest by Łukasz Kuszner
ITRIX 2013 is a 5-hour ACM-ICPC style online programming competition organized by College Of Engineering Guindy, India. Contest starts 2013-02-27 16:30:00 SPOJ time. All college students are invited to participate.

2012-09-29 16:31:37 SPOX Beta – the online grader for your programming courses by Łukasz Kuszner
It is our pleasure to announce a new system dedicated to teaching programming. SPOX (http://spox.spoj.pl) has been built upon the same engine as SPOJ, but dedicated to teaching in the context of private lessons or regular courses at different levels, starting from beginners to advanced university students.

2012-09-28 12:00:20 The Cube - new SPOJ Cluster by Filip Wielewski
We are happy to announce that we have a new cluster of judging machines on SPOJ. The Cube (that's how we called our new cluster) consists of machines with Intel Pentium G860 3GHz on board. Read more on our Facebook page: http://www.facebook.com/pages/SPOJ/248106793203.

2012-09-12 16:48:02 High School Programming League 2012/13 by Łukasz Kuszner
From now on, you are cordially invited to register for the fifth edition of a High School Programming League and to try the test problem. The first problem set series starts on Monday, September 24.

2012-08-07 15:41:24 SPOJ in Armenian by Łukasz Kuszner
If you understand Armenian, please have a look at the problems collection prepared by Andreasyan.

2012-08-07 14:37:31 Shorten it! by Łukasz Kuszner
Carefully selected problem set and ranking system by Piotr Kąkol dedicated for code golfing - this is Shorten. Everyone is invited to participate and have fun.

2011-11-10 09:30:24 NWERC 2011 Semi-Live online contest by Łukasz Kuszner
The open edition of NWERC 2011 will take place at 27 November 2011 10:30 (SPOJ time). Everyone is invited!

2010-12-11 09:13:46 Interactive problems by Filip Wielewski
New kind of problems has been introduced on SPOJ - interactive problems that allow to talk with the judge! (sample problems: MSTRMND, KULE, PPP07D and NUMGUESS). Go here to find out more.

2010-09-27 12:09:27 BBone an add-on for phpBB forums is available. by Łukasz Kuszner
The BBone allows to share source codes and provides the ability to compile and run them. Beside syntax highlighting, testing source codes against user input, it allows to create mini-contests for forum co-members. Read more ...

2010-04-16 23:02:36 Useful tools by Filip Wielewski
They are described on our facebook page:
Users' stats
Another good users' stats
SPOJ Rank Tracker - Firefox Add-on

2010-03-23 00:12:32 SPOJ Backup Tool by Filip Wielewski
Backup your solutions! Find out more on our facebook site.

2010-03-23 00:09:00 Problems Classification by Filip Wielewski
Read about Problems Classification tools on our facebook site.

2009-12-21 08:57:09 Ideone.com by Filip Wielewski
Ideone.com - new project based on Sphere Engine - has just started. Ideone.com is a pastebin, but a pastebin like no other on the Internet. More accurate expression would be online mini IDE and debugging tool. It allows to execute code with custom input data in 38 programming languages and to share it with friends and teammates. We hope you find it useful!

2009-08-12 20:21:15 Scarky by Filip Wielewski
We are delighted to announce the opening of the new portal based on the Sphere Engine. With Scarky.com you can place programming challenges and other riddles directly on your site!

2009-07-21 12:38:19 Advanced user statistics by Adrian Kosowski
We recommend this on-line tool (by VNOI Team) for visualizing the activity of SPOJ users.

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