WebDiarios de Motocicleta

I saw two recent news items that reflect on Romania. Lance blogs about the ISI Web of Science. I first heard of this thing a few years ago,...

Here's an algorithmic problem for your enjoyment: Define a multipermutation to be a sequence of integers that contains all numbers from ...

[You can also read this post in PDF .] In a recent SODA submission, I had to prove a small technical lemma that I considered more or less st...

5:30pm. I am at the "Brewers' Court," meeting with an old friend from computer olympiads, now faculty at Bucharest Polytechnic...

You might be wondering what caused the hiatus in posting CEOI problems. My modus operandi as a researcher is to induldge in whatever obsessi...

The discussion on Problem 1 was quite active; I even posted a lower bound for the streaming complexity of the problem. The official solutio...

As I've announced before, I was the chair of the Scientific Committee at The 16 th Central European Olympiad in Informatics (CEOI'0...