Algorithms Weekly by Petr Mitrichev

A Fenwick tree is a wonderful data structure that supports two operations on an array: increment a given value by a given amount, and find...

Photo by  Ян Ценч The best team in the world right now, SPb IFMO 1, has only managed to get the second place at the Ural Championship, ...

Today is the main day of the Ural Championship - the competition! About 80 teams from all over the world, and just one cup. The contest s...

Russia vs China match - 5 best Russian teams versus 5 best Chinese teams - starts in just 7 minutes. The teams are seated facing each oth...

The 2013 Ural Championship will take place between May 1 and May 3 in Ekaterinburg. This is an annual contest held using ACM ICPC-like rul...

The qualification round for Google Code Jam 2013 has started, and will run for about 20 more hours (until 4am on Sunday Moscow time ). ...

...tonight at twelve o'clock on New Year's Eve, plowing through a blizzard, they came in, these people who had more i...