A better question: given that it takes a month of preparation, and given my current experience/knowledge, do I have a decent chance of getting an offer from Goo

A better question: given that it takes a month of preparation, and given my current experience/knowledge, do I have a decent chance of getting an offer from Google? I don't really care what are the chances for an average US programmer. If I believe I have a decent chance, I will go through it, because it's worth it for me.