A list of active programming competition sites.
| series | type | started | wikipedia | firstHostCountry |
|---|---|---|---|---|
| IMO | Mathematics | 1959 | International_Mathematical_Olympiad | Romania |
| ICPC | Programming | 1970 | International_Collegiate_Programming_Contest | USA |
| ACSL | Programming | 1978 | American_Computer_Science_League | USA |
| IOI | Programming | 1989 | International_Olympiad_in_Informatics | Bulgaria |
| ICFPProgrammingContest | Programming | 1998 | ICFP_Programming_Contest | USA |
| TopCoder | Programming | 2001 | Topcoder | USA |
| TopCoderOpen | Programming | 2001 | Topcoder_Open | USA |
| GoogleCodeJam | Programming | 2003 | Google_Code_Jam | USA |
| IEEEExtreme | Programming | 2006 | IEEEXtreme | Online |
| CodeChef | Programming | 2009 | CodeChef | India |
| CodeForces | Programming | 2010 | Codeforces | Russia |
| AtCoder | Programming | 2010 | Japan | |
| Kaggle | DataScience | 2010 | Kaggle | USA |
| FacebookHackerCup | Programming | 2011 | Facebook_Hacker_Cup | USA |
| HackerEarth | Programming | 2012 | HackerEarth | USA |
| HackerRank | Programming | 2012 | HackerRank | USA |
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