Pascal Bourguignon wrote:
Really guys, these are no captcha. Have a look at the student program in PAIP (norvig.com). It could easily solve these kind of problems, with very little or no added rules and code.
Okay, but what would you suggest? By definition, a CAPTCHA has to be something that can be solved by an algorithm. The best one can do, it seems, is add enough "noise" to the question to make it difficult to parse.
-Stuart