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31 votes
Accepted

Ernie and the Pirates of the Caribbean

In order to solve this problem, I used a combination of a flood-fill algorithm and Dijkstra's algorithm. I set up a large grid of cells over the map. Each cell remembers its current distance and its ...
2012rcampion's user avatar
  • 18.9k
20 votes
Accepted

Given these numbers, find the secret word

Assuming a mistake in the problem layout, we could get something with some significance: The error would be And with this
Keelhaul's user avatar
  • 12.7k
17 votes
Accepted

Reverse hangman #12

I think the answer is: H C P L
Quark's user avatar
  • 6,077
15 votes
Accepted

Ernie and the Superconducting Boxes

First, we need to figure what is the minimum amount of superconductor that we'll lose when making the cut. Optimally, we can cut the large cube net into two smaller cube nets without any waste at all. ...
Bass's user avatar
  • 77.7k
14 votes
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The box with the curious inscriptions

Them's five volumes and three sections alright. Blurb for the Volumes and Sections: Colophon. This puzzle's apparent construction. Missed clues:   (Would the hints have been necessary in the ...
humn's user avatar
  • 21.9k
14 votes
Accepted

Grandma's Simple Puzzle Box

Few easy steps to solve it:
Jan Ivan's user avatar
  • 5,196
12 votes
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Ernie and the Uneconomical Flat-breads

Finally, after 5 months of attempting this on and off, I have a solution that meets all of the requirements! I'll go into a bit more depth below, but here's where the cuts are: These pieces can be ...
DqwertyC's user avatar
  • 8,248
12 votes
Accepted

Ernie and the Chocolate Bomb

Best solution my computer could find: 7---6 /| /| 4---2 | | | | | | 1-|-3 |/ |/ 5---8 Note that the property that all errors are up to sign the same follows ...
Paul Panzer's user avatar
  • 10.3k
11 votes
Accepted

100 Prisoners' Names in Boxes - Save them all!

Assumption 1: Assumption 2: Assumption 3: Strategy: Results: Costs: Notes on pre-game: Notes on during game:
Arth's user avatar
  • 3,350
11 votes
Accepted

An unexpected appearance

user20864's user avatar
  • 1,690
10 votes
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The Key to the Door

My thought process Drawing on that and adding in quite a bit of guesswork: So my answer is
Lio Elbammalf's user avatar
10 votes
Accepted

Is there a way in which all the members can be seated?

Here's a solution which explains the logic... First, you might find it useful to draw up a diagram like this, where every block of 16 letters represents a seat at the table (numbered 1 to 8 for ease ...
Stiv's user avatar
  • 146k
10 votes
Accepted

Ernie and the disappointing drill bits

My job title was Tooling Engineer for a number of years, so I suppose it was fate that kept others from answering this question before I got around to seeing it. Or perhaps lack of CAD software. The ...
Skosh's user avatar
  • 3,818
9 votes
Accepted

Is my friend insane?

I'm not all the way there, and this might be way off the mark, but here's my interpretation... Eye morning hair Doctor me police Bee ring hmm eye death aw ree Thay kiss Obviously not correct or ...
academiaTA's user avatar
9 votes
Accepted

Magic Time-travelling Baktun Wheel

How about: and scores: 177 points Source:
Maria Ivanova's user avatar
9 votes
Accepted

Rolling a dice - Expectation Question

How I interpret that condition is that the player has an opportunity to ignore the first result and take a second chance, but they must use the second chance if they do reroll. Possible prize values ...
Apep's user avatar
  • 4,619
9 votes
Accepted

Half and Double Value

I used the following k program to compute it: 2*{~1=#?{x@<x}'$1 2 4*x}(1+)/1 {...}(1+)/1...
ngn's user avatar
  • 479
9 votes
Accepted

Oh boi! Dis aint Engliz! #1

Languages Translated words appear in this order of translation. Words Groups I'm missing the relation, they look like they're all related to
Takeshi's user avatar
  • 825
9 votes
Accepted

Who attempted to betray the Boston King?

I got it, the king thinks the traitor is: But wait, there's more! Having realized this, the conclusion is that:
Amorydai's user avatar
  • 2,963
9 votes

Two players alternately name dates

If the first player is the one who says either 2nd January or 1st February, then the winning player is Proof: The first player The strategy is to Note: I assumed that the game only goes over one ...
wimi's user avatar
  • 770
8 votes

Magic Time-travelling Baktun Wheel

I would type (in French) which would given me or 112 points.
Michael Seifert's user avatar
8 votes
Accepted

Ernie and the Case of the Singing Sisters

I was able to limit the number of suspects to $2$ of the $6$ sisters. For the rest of this post, I assume the radius of each cake is $1$ (in other words the measurement unit used is the cake radius). ...
Sleafar's user avatar
  • 18.1k
8 votes

What mysterious whole number am I?

Alright I know I have it now! (or at least am very close) "From my second point of view I copy that amount of first." "I am the dominant side of two but for many I'm the worst." "I'll be tricky to ...
Brandon_J's user avatar
  • 9,327
8 votes

Is there a way in which all the members can be seated?

My answer is
Weather Vane's user avatar
  • 14.5k
7 votes

5 Letter Word, Removing letters

A postman, because he/she will be a postman without any letters.
Fish's user avatar
  • 71
7 votes
Accepted

Ernie and the Optical Gyroscopes

Although I hate to disagree with Ernie, I think that he's made a mistake. First off, in his diagram the holes shown are around 7.5 mm in diameter, not around 5.2 mm as stated. Doing my own ...
2012rcampion's user avatar
  • 18.9k
7 votes
Accepted

1 rabbit, seeing 6 elephants, each seeing 2 monkeys, each having 1 parrot - how many went to the river?

but there's no definite answer without a few assumptions:
TwoBitOperation's user avatar
6 votes

5 Letter Word, Removing letters

You are:
random's user avatar
  • 61
6 votes
Accepted

Youre a big drinker right? Can you interpret for the drunk?

Pretty sure I missed most of these, but it was fun to try. burp hare hic sit burp on? ha hic vie loss hic tit? tomb hic any ban hic gone my head! ewer hell hic ping? goo hic die knee hic ding it! ...
Ian MacDonald's user avatar
6 votes

Magic Time-travelling Baktun Wheel

For 124 points:
GentlePurpleRain's user avatar

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