AndreaC http://www.google.it/imgres?q=numbers&start=790&um=1&hl=it&biw=1280&bih=911&tbm=isch&tbnid=r8_8eIOI33cOSM:&imgrefurl=http://www.businessinsider.com/15-brain-bending-interview-questions-that-every-facebook-engineer-can-answer-2012-3%3Fop%3D1&docid=sj9kagPyasK-ZM&imgurl=http://static1.businessinsider.com/image/4eebe066ecad04030d00000a-400-300/multiply-two-big-integers-which-dont-fit-into-an-built-in-integer-type-how-would-you-represent-big-numbers-as-a-data-structure.jpg&w=400&h=300&ei=9RWDUfijKIbItAb-sYDoDw&zoom=1&ved=1t:3588,r:14,s:800,i:46&iact=rc&dur=5142&page=28&tbnh=194&tbnw=259&ndsp=28&tx=140&ty=96
12 anni fa 
