Codeforces and Polygon may be unavailable between Aug. 17, 19:00 (UTC) to Aug. 17, 22:00 (UTC) due to planned power outages.
 
 
 
 
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The mission of Polygon is to provide platform for creation of programming contest problems. Polygon supports the whole development cycle:
  • problem statement writing
  • test data preparing (generators supported)
  • model solutions (including correct and wittingly incorrect)
  • judging
  • automatic validation
 
 
 
 
Registered users: 41278
Problems total: 231696
Invokers waiting: 41
invokers-are-ok-2e5e0c8aea7721ec
 
 
 
 
27 Jun 2016 - Polygon API has been released. You can view documentation here.
7 Dec 2011 - Now you may download testlib and polygon documentation from Polygon installation.
17 Jul 2010 - Supported contests and PDF-statements.
3 Nov 2009 - Released new version. Tags and problem filters supported. Also many other smaller fixes done.
8 Mar 2009 - Use public issue tracker to post bug or feature request.
8 Mar 2009 - Beta version has been deployed.
Polygon 0.2-r2040 (c) Copyright 2009-2022 Mike Mirzayanov
Platform for creating programming competition problems
Judging on: Intel(R) Core(TM) i3-8100 CPU @ 3.60GHz
Execution time: 84 ms.