Robert Hansen (RH) posted Mar 8, 2013 8:04 AM: > I must add though that the heart of my almost final > solution was a binary search, but I could not > collapse two steps into one. > (continued from previous) Hint 2: It is always better, I believe, not to try to 'bluff' one's way out of situations. Just a useful rule, that may develop from Mark Twain's famous advice: "The best reason to tell the truth is that one doesn't have to remember ANYTHING" (words to that effect).
GSC ("Still Shoveling!") > > On Mar 7, 2013, at 9:10 PM, Robert Hansen > <email@example.com> wrote: > > > That is a very hard problem. I managed to figure > out weighings 1 and 3 but could not complete that > middle step. This is not a binary search, it is an > exhaustive search. > > > > Bob Hansen > > > > On Mar 7, 2013, at 4:35 PM, Joe Niederberger > <firstname.lastname@example.org> wrote: > > > >> By the way, the twelve coin problem is a real > classic -- my father told me it when I was about 10. > >> Its easy enough to find a solution using Google, > but as a courtesy to those who want to tough it out - > please don't post a real solution here without the > word "SPOILER" up front! > >> > >> Cheers, > >> Joe N