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Codeforces ( Russian: Кодефорсес) is a website that hosts competitive programming contests. [ 1] It is maintained by a group of competitive programmers from ITMO University led by Mikhail Mirzayanov. [ 2] Since 2013, Codeforces claims to surpass Topcoder in terms of active contestants. [ 3] As of 2019, it has over 600,000 registered ...
Codeforces peak rating 3979 (22 January 2022) Gennady Korotkevich ( Belarusian: Генадзь Караткевіч, Hienadź Karatkievič, Russian: Геннадий Короткевич; born 25 September 1994) is a Belarusian competitive sport programmer who has won major international competitions since the age of 11, as well as numerous ...
The Elo[ a] rating system is a method for calculating the relative skill levels of players in zero-sum games such as chess or esports. It is named after its creator Arpad Elo, a Hungarian-American physics professor. The Elo system was invented as an improved chess-rating system over the previously used Harkness system, [ 1] but is also used as ...
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In mathematics, the lexicographic or lexicographical order (also known as lexical order, or dictionary order) is a generalization of the alphabetical order of the dictionaries to sequences of ordered symbols or, more generally, of elements of a totally ordered set . There are several variants and generalizations of the lexicographical ordering.
4L-AAA to 4L-ZZZ. 4L-10000 to 4L-99999. Germany. D [ 3] D-AAAA to D-AZZZ for aircraft with more than 20 t MTOW. D-AUAA to D-AZZZ (test registrations) for aircraft manufactured by Airbus at Finkenwerder. D-BAAA to D-BZZZ for aircraft with 14–20 t MTOW. D-CAAA to D-CZZZ for aircraft with 5.7–14 t MTOW. D-EAAA to D-EZZZ for single-engine ...
An October 2008 voter registration rally held on behalf of Barack Obama's presidential campaign, on Philadelphia's Benjamin Franklin Parkway. A voter registration drive is an effort undertaken by a government authority, political party or other entity to register to vote persons otherwise entitled to vote. In many jurisdictions, the functions ...
An A321-231 displaying American Airlines registration N102NN on the rear fuselage. In the United States, the registration number is commonly referred to as an "N" number, because all aircraft registered there have a number starting with the letter N. An alphanumeric system is used because of the large numbers of aircraft registered in the ...