The Weekend Programming Challenge had been proposed by Mateusz Klatecki few months ago, while playing in our Friday Free Board Quiz, when he won a board he didn’t have use for, and decided to give it away to someone who needs it.
He said that he participates the Friday Quiz just to test his knowledge and proposed to start some kind of Challenge in Programming which to run over the weekend.
We liked the idea and this is how the WPC was born. You can read the announcement from March 18th https://olimex.wordpress.com/2013/03/18/friday-free-board-quiz-update/
WPC has been running now for 15 weeks and gets more and more popular. Every Friday a lot of people come to our blog to see the challenge but not so many dare to complete it 😉
WPC seems also to have gotten the attention of other companies too, as yesterday I saw that CircuitCellar sponsored by IAR ran similar challenge soon after us 🙂
olimex 
Jul 03, 2013 @ 11:51:04
Yours is much better. IAR’s contest is just hunting for errors in their simple fragments of code, yours is about thinking about an algorithm and then implementing it. No competition.
Jul 03, 2013 @ 22:11:58
#define square is missing parentheses. Who here expects a+b*a+b to the sum of the squares? At least WPC is a challenge!