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CodeChef SnackDown

From EverybodyWiki Bios & Wiki

SnackDown is a global annual programming contest, hosted by CodeChef and is open to all programmers irrespective of their age and experience.

Started in the year 2010, SnackDown is a multi-round team-based competitive programming contest where coders from different parts of the globe against each other. Everyone from school students to college students to working professionals to freelance coders can participate in this competition. There have been five editions of SnackDown so far. SnackDown is usually a team-based contest, with each team consisting of two members. It is a multi-round team-based competitive programming contest that goes on for 3 to 4 months. The initial rounds of SnackDown are online, and the final is usually an on-site event. The previous finals were held in Indian cities like Mumbai and Bangalore.

SnackDown 2021[1] was announced on September 1st, and unlike the previous editions, it is reported that SnackDown 2021 will be an individual contest. The qualifier rounds of SnackDown 2021 will be held in October[2]. The finals of SnackDown 2021 are slated to be in the first week of January 2022[3].

Previous Champions[edit]

The last SnackDown was held in the year 2019, and the championship title was won by Gennady Korotkevich[4] and Borys Minaiev[5]. The Champions won $10,000, and the runners-up received $5000. SnackDown has special prizes for top programmers from India, School students, and female programmers as well.

Xiaoou Zhou and Jiayi Mao from China won the best women's team. Shih-Yu Wang from National Experimental High School, Taiwan and Yeoh Zi Song from Chung Ling High School, Malaysia, claimed the best school team award for the year.

SnackDown Coding Problems[edit]

SnackDown is a tough programming competition. No team has ever managed to solve all the problems in a SnackDown Finale. The maximum number of problems solved by a team across all the rounds of SnackDown is 61. This feat was achieved by team sequoia of Moscow Institute of Physics and Technology, featuring Alexander Ostanin & Alexey Dmitriev. The fastest submission made in a SnackDown Finale was made by a team of Taras Shevchenko National University of Kyiv featuring Dmytro Ihnatenko in the SnackDown 2015 Finale. They cracked their first problem in 396 seconds.

Participants have used 43 different programming languages to code their solutions. The most used programming language in SnackDown has been C++ with 35264 AC's in the language.

SnackDown Rounds[edit]

SnackDown has a total of five rounds before the champions are announced.

Online qualifier round[edit]

The first round is the online qualifier round, where the teams solving at least one problem advance to the online round.

Online Round 1A and 1B[edit]

The next round is online round-1A. This round lasts for 36 hours, and the top 1500 ranks qualify for the pre-elimination round. Online round 1A is followed by Online round 1B where again top 1500 ranks qualify for the pre-elimination round. Teams who qualify in the Online round 1A cannot take part in round B.

Online pre-elimination[edit]

The online pre-elimination round lasts for 3 hours, and the top 580 teams qualify for this round.

Online elimination[edit]

The duration of this round is 5 hours, and the top 25 global, top 25 Indian, and eight additional teams qualify for the onsite finale round.

Onsite finale[edit]

All the onsite finalists compete for the SnackDown champion title.

SnackDown Past Champions[edit]

Tournament 1st place 2nd place 3rd place
2019[6] Gennady Korotkevich and Borys Minaiev Aleksei Daniliuk and Oleg Merkurev Ji Ruyi and Yuhai Du
2017[7] Aleksei Daniliuk and Oleg Merkurev Kohji Liu and Ryuta Kawai Zou Xiaoyao and Jin Ce
2016[8] Gennady Korotkevich and Borys Minaiev llya and Ivan Belonogov Ken Sugimori and Kohji Liu
2015[9] Apia Du and xuyinzhan Gennady Korotkevich and Borys Minaiev Mikhail Tikhomirov and Alexander Mashrabov
2010 Yash, Nadeem Moidu, Kunal Jain Pratik Tandel, Purav, Krunal Malik Akhil Ravidas, Abhilash R, Venkatesh Basker


  1. Bureau, BW Online. "Unacademy Announces CodeChef Snackdown 2021". BW Disrupt.
  2. "Unacademy Announces 'CodeChef SnackDown 2021'". September 16, 2021.
  3. "News from the world of education: September 21, 2021". September 21, 2021 – via
  4. "Programmers from all over the world compete at CodeChef SnackDown - Exchange4media". Indian Advertising Media & Marketing News – exchange4media.
  5. "Global coding event in Bengaluru sees intense face-off in 5-hour programming battle". The News Minute. February 18, 2019.
  6. "SnackDown 2019: Ukraine, Belarus programmers win $10,000 in India's biggest coding competition". Asianet News Network Pvt Ltd.
  7. "CodeChef Announces SnackDown 2017, 4th Edition of Its Global Onsite Programming Competition". News18. April 13, 2017.
  8. Mukherjee, Arnab (July 11, 2016). "Directi Codechef Snackdown 2016 finals | Digit".
  9. "SnackDown 2015 | CodeChef".

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