mo42

I've been trying to figure out if this puzzle is possible or not. I think I've seen it before and I also think that it may be impossible. Am I right, or is there some bizarre trick to it?

Puzzle can be found here.

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Jetée

You know I have proper right to be infuriated with this post?





I'm addicted

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healer

I've officially become unproductive.

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the_marq

Well here is your solution. Don't look until you are ready, you can't unlearn this knowledge.

Spoiler: It's proven impossible here: http://mathforum.org/dr.math/faq/faq.3utilities.html
The short explanation is that it cannot be done in 2 dimensions.

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#3 in a series

Toaster126

Hahaha.

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Jetée

Damn logarithims...

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As human beings, our greatness lies not so much in being able to remake the world (that is the myth of the Atomic Age) as in being able to remake ourselves.

—Mohandas K. Gandhi

BBtB

Well you just made me piss my girlfriend off because I was supposed to be giving her directions and instead I was on the phone trying to solve that stupid thing. Thanks for nothing. lol

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Meridae'n once played "death" at a game of chess that lasted for over two years. He finally beat death in a best 34 out of 67 match. At that time he could ask for any one thing and he could wish for the hope of all mankind... he looked death right in the eye and said ...

"I would like about three fiddy"

troit

Has to be impossible.

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noodlebee

Wow. That was nice. Do you have more puzzles like this?

mo42

Nah, I just stumbled upon that one randomly. I'm sure there are more out there somewhere, but I don't have any direct links.

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It's not getting what you want, it's wanting what you've got.

OzOz

It should be impossible - and I think I can prove it. (Of course, this is where someone will put up their hand and say they have a solution to the problem! )

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Maybe you should put some shorts on or something, if you wanna keep fighting evil today.

newtx

Hard to stop trying. Much harder to solve. Seems impossible with my limited brainpower.

MexicanOnABike

i heard from a friend that his university teacher had the solution to this. I think he was trying to pull a joke on me but still, id like to know ...

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OzOz

Your friend's university teacher doesn't have a solution. This puzzle IS impossible. I have come up with a proof. PM me if you want the proof. (I assume people don't want it posted here, to avoid spoiling their fun. )

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Maybe you should put some shorts on or something, if you wanna keep fighting evil today.

snicka

What kind of person goes through all the trouble to code that and put it up on the web if it is impossible. A sadist? Communist spy who wants to ruin productivity?

jackdalton

It has nothing to do with brain power, it's just similar to the river+bridge problem one great matematician discoveres (i dont remember his name).
I learnt about these things when i has a computer sciences project.
It's just simple maths, using combinations.

krwlz

meaning you solved it?

And learned man, learned, not learnt

Zeraph

Ya, not solvable, can get all the lines but one. It will always cut it off.

essendoubleop

I remember a kid presented to this to our class in 5th grade and said there was a 3 million dollar prize offered in a magazine. We all spent the rest of the day trying to draw it up.

josh10524

How about the second one? It's easy until the last move, and then it seems impossible. I haven't been playing with it for very long, though.

rlbond86

Actually, you can beat it by cheating:

dlish

this thing is driving me nuts

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basherone

the three houses and three utilities puzzle has a "cheat that will only work if completed on a sheet of paper - take the final line around the back of the sheet of paper.

Barstool

But then that becomes three dimensional, not two, thus only proving that the puzzle is impossible.