OSS Service (Hard) (crypto 500)

posted on 2018-02-04, en, crypto, ctf, sharif, writeup, math

Solution to the Sharif 2018 OSS Service (Hard) task.

ToAndFro in Factor and Common Lisp

posted on 2011-09-30, en, common lisp, factor, spoj, puzzles

Taking a look at SPOJ online judge, I reached ToAndFro problem and thought how easy it was to solve it in Factor.

Facebook's Double Squares in Factor

posted on 2011-01-20, en, facebook, factor, puzzles, math

Facebook has recently launched a puzzle programming contest (aka Facebook Hacker Cup). Since I always liked puzzles (I had already solved some of these puzzles -I may talk about them in another post-), I decided to give it a try. With around 100.000 participants, I'm neither clever nor fast enough to win and, unlike in the puzzles, there's no limitation on programming languages to use, so I thought it would be a good opportunity to practice with my favourite languages instead of trying with those I'm more fluent with.

Counting primes in Factor

posted on 2011-01-12, en, factor

Solution to the Counting Primes problem from Programming Praxis, in Factor.

Up & running again

posted on 2009-04-15, en, blog

It’s been a long time since my site went down.