Archives
All the articles I've archived.
2025 9
August 1
-
Editorial: "Adjacent Delete"
A simple but nice AtCoder problem.
July 2
-
Editorial: "Catch the Mole"
An editorial for the Codeforces problem "Catch the Mole."
-
The Sprague-Grundy theorem
Motivating the Sprague-Grundy theorem from first principles.
May 2
-
The mirror formula
A simple proof of the mirror formula.
-
Hessians
What does the Hessian matrix really mean?
February 1
-
Burnside's lemma
An intuitive introduction to Burnside's lemma.
January 3
-
Editorial: "Breakdown"
My editorial for the USACO problem "Breakdown."
-
About this blog
Some meta-information about this blog's setup and workflow.
-
Haskell: #1
A quick intro to the world of Haskell and functional programming.