Algorithms Weekly by Petr Mitrichev

TopCoder SRM 654 took place in the early hours of Thursday ( problems , results , top 5 on the left). Less than half a year after winning...

TopCoder SRM 653 has ignited this week's contests on Tuesday ( problems , results , top 5 on the left). Egor and Kazuhiro were in the...

TopCoder SRM 652 took place on Monday ( problems , results , top 5 on the left). The round was soon after the flight home from the Hack...

Codeforces Round 295 happened early on Monday ( problems , results , editorial with challenges , top 5 on the left). Let me describe prob...

There were three big competitions planned for this week: Challenge24 2015 Electronic Contest, TopCoder SRM 651 and Open Cup 2014-15 Grand P...

Codeforces Round 292 took place late on Tuesday ( problems , results , top 5 on the left). Haghani has pulled off an impressive victory ...

Theorem (Generalized Cayley's formula?). Given a graph with n labeled vertices, let s be the number of its connected components and ...