Posts Tagged ‘Interview Questions’


Puzzle #9 – The Snail – Solution

March 27, 2008

I will keep this post short. First make sure you take a look at the original puzzle – link here.

The shortest sequence is 6 bits long and is “100110” (or its inverse “011001”). The smallest amount of bits needed to determine a direction is 5, i.e. any 5 consecutive bits seen by the snail could help him determine the direction home.