# Google Code Jam

Google Code Jam was an international programming competition hosted and administered by Google. The competition began in 2003. The competition consists of a set of algorithmic problems which must be solved in a fixed amount of time. Competitors may use any programming language and development environment to obtain their solutions. From 2003 to 2007, Google Code Jam was deployed on Topcoder's platform. Since 2008 Google has developed their own dedicated infrastructure for the contest.
Between 2015 and 2018, Google also ran Distributed Code Jam, with the focus on distributed algorithms. This was run in parallel with the regular Code Jam, with its own qualification and final round, for a top prize of $10,000, but was only open for people who qualified to Round 2 of Code Jam (up to 3000 people).
Several Google Code Jam problems have led to academic research.
On February 22, 2023, Google announced that Code Jam was to be discontinued alongside their other programming competitions, Hash Code and Kick Start. A series of four "farewell rounds" took place on April 15, 2023 from 14:00 until 18:00 UTC, with all rounds taking place at the same time. Login functionality for Google's programming competitions was disabled on June 1, 2023, followed by the shut down of the competitions' hosting platform exactly one month later, on July 1, 2023. A permanent archive of all Code Jam, Hash Code and Kick Start problems is available for download on GitHub.

## Past winners
### Google Code Jam

| Tournament | Finals location | Registrants | Qual Advancers | 1st place | 2nd place | 3rd place |
| 2021 | Online | 93,000 | 25,961 | Xiuhan Wang | Shogo Murai | Scott Wu |
| 2020 | Online | 96,000 | 30,221 | Gennady Korotkevich | Kevin Sun | Andrew He |
| 2019 | San Francisco, United States | 74,000 | 27,610 | Gennady Korotkevich | Makoto Soejima | Andrew He |
| 2018 | Toronto, Canada | 62,000 | 14,093 | Gennady Korotkevich | Kamil Debowski | Makoto Soejima |
| 2017 | Dublin, Ireland | 64,000 | 18,331 | Gennady Korotkevich | Konstantin Semenov | Vladislav Epifanov |
| 2016 | New York City, United States | 58,520 | 22,154 | Gennady Korotkevich | Kevin Atienza | Egor Kulikov |
| 2015 | Seattle, United States | 56,749 | 12,438 | Gennady Korotkevich | Makoto Soejima | Bruce Merry |
| 2014 | Los Angeles, United States | 49,066 | 20,595 | Gennady Korotkevich | Evgeny Kapun | Yuzhou Gu |
| 2013 | London, United Kingdom | 45,754 | 17,059 | Ivan Metelsky | Vasil Bileckiy | Vladislav Isenbaev |
| 2012 | New York City, United States | 20,613 | 15,692 | Jakub Pachocki | Neal Wu | Michal Forišek |
| 2011 | Tokyo, Japan | 21,940 | 10,336 | Makoto Soejima | Ivan Metelsky | Jakub Pachocki |
| 2010 | Dublin, Ireland | 12,092 | 8,308 | Egor Kulikov | Erik-Jan Krijgsman | Sergey Kopeliovich |
| 2009 | Mountain View, United States | 10,000 | 7,516 | Tiancheng Lou | Zichao Qi | Yoichi Iwata |
| 2008 | Mountain View, United States | 11,044 | 6,774 | Tiancheng Lou | Zeyuan Zhu | Bruce Merry |
| 2006 | New York City, United States | | ? | Petr Mitrichev | Ying Wang | Andrey Stankevich |
| 2005 | Mountain View, United States | | ? | Marek Cygan [pl] | Erik-Jan Krijgsman | Petr Mitrichev |
| 2004 | Mountain View, United States | | ? | Sergio Sancho | Po-Ru Loh | Reid Barton |
| 2003 | Mountain View, United States | | ? | Jimmy Mårdell | Christopher Hendrie | Eugene Vasilchenko |
* ↑ Originally scheduled to take place in Munich, Germany, but later was converted to online format in response to the COVID-19 pandemic.

### Distributed Code Jam

| Tournament | Finals location | Competitors | 1st place | 2nd place | 3rd place |
| 2018 | Toronto, Canada | ? | Mateusz Radecki | Kevin Atienza | Tomasz Czajka [pl] |
| 2017 | Dublin, Ireland | 3,000 | Andrew He | Evgeny Kapun | Erik-Jan Krijgsman |
| 2016 | New York City, New York, United States | 3,000 | Bruce Merry | Yuzhou Gu | Filip Hlasek |
| 2015 | Seattle, Washington, United States | 3,000 | Bruce Merry | Marcin Smulewicz | Ting Wei Chen |

## Results by country

| Country | 1st place | 2nd place | 3rd place |
| Belarus | 9 | 1 | 0 |
| China | 3 | 4 | 1 |
| Russia | 2 | 2 | 7 |
| Poland | 2 | 1 | 1 |
| Japan | 1 | 3 | 2 |
| Argentina | 1 | 0 | 0 |
| Sweden | 1 | 0 | 0 |
| USA | 0 | 2 | 4 |
| Canada | 0 | 2 | 1 |
| Netherlands | 0 | 2 | 0 |
| Philippines | 0 | 1 | 0 |
| Ukraine | 0 | 1 | 0 |
| South Africa | 0 | 0 | 2 |
| Slovakia | 0 | 0 | 1 |