15
votes
Wanted: Sudoku data in CSV
From the SO answer to the essentially same question (test cases for Sudoku solver):
You can find some large datasets for Sudoku benchmarking and testing
in this project: https://github.com/t-dillon/...
- 10.6k
10
votes
How do you decrypt a keyword transposition cipher without keyword?
NOTE: This is a guide to solving polyalphabetic cryptograms as it says in the question, and not transposition ciphers like it says in the title
This is called cryptanalysis. Defined as
'the art ...
- 49.2k
8
votes
Accepted
Seeking lists of words formed from an existing word
You can use Qat with a query like
AB;A.B;|A|=0-;|AB|=7
Explanation:
A and B are by default non-empty strings.
AB
The ...
- 14.5k
6
votes
Accepted
Origin of the "Ages of Three Children" puzzle (Census-taker problem)
After doing a lot of (possibly not quite legal) digging, I think I've found the rough birth of the problem.
The problem seems to have evolved in around 1940, from the M.I.T campus during World War II.
...
- 49.2k
6
votes
Where can I get free words list for my word games?
Take a look at words. It's a list of English words. Free to use, even for commercial purposes. The license can be found here. It begins:
The collective work is ...
4
votes
CiSRA Puzzle Hunt Backups?
Mezzacotta (the successor to CiSRA) posted the 2007-2013 CiSRA puzzles on their site a couple days ago: https://www.mezzacotta.net/puzzle/cisra/
- 141
4
votes
Seeking a list of words formed from existing words
In Qat this is A;B;AB:
A is a string of letters which must be a word
B is a string of ...
- 9,085
4
votes
How many unique "miracle sudokus" are there?
An un-enlightening brute force computer search yielded the following 5 solutions, excluding rotation, reflection, and inversion. Inspecting these solutions, it turns out that 1 and 9 are never ...
- 191
3
votes
Accepted
Good resource for daily Sudoku Puzzles
Web Sudoku has huge amounts of puzzles across five difficulty levels. You don't even have to wait a day for new ones.
- 555
3
votes
Accepted
CiSRA Puzzle Hunt Backups?
The Wayback Machine seems to work for other years -- here's the link to 2012, for instance. The site (including the archive of puzzles) seems to be completely usable to me through the Wayback Machine.
- 136k
2
votes
Accepted
References - In what order should I start reading the books by Raymond Smullyan?
I suggest
By date published
because that's the order he wrote them in, which makes the most sense to read them in, like a trilogy. His mind would develop new ideas with each book, and they are ...
- 35.4k
2
votes
Good resource for daily Sudoku Puzzles
In case you are looking for printable Sudoku puzzles and variations you can checkout
www.FunWithPuzzles.com
Sudoku Variations page is as given below
http://www.funwithpuzzles.com/2017/02/sudoku-...
- 29
2
votes
Accepted
any tools/sites/algorithms to decipher garbled text based on improper hand position on a keyboard?
Dcode has an engine for cracking "Keyboard shift" ciphers, which is a systematic shift of all intended letters along a particular keyboard layout. You can specify both language and keyboard ...
- 585
1
vote
How to arrange the colored cells in game grid?
You can solve the problem via mixed integer linear programming as follows.
Let $I$ be the set of rows, $J$ the set of columns, and $C$ the set of colors. For $c\in C$, let $J_c \subseteq J$ be the ...
- 7,384
1
vote
Listing of New York Times celebrity crosswords?
The search function on the NYTimes site helped with this, I couldn't find a full list only the short ones on the wiki page. (Same goes for other sites, they just cherry-pick the ones they like).
...
- 2,225
1
vote
Where can I find diagramless fill-in puzzles?
Believe it or not, there are two books of Diagramless Fill-Ins (I have both of them myself) that exist. You can purchase both of them on Amazon.
https://www.amazon.com/Diagramless-Fill-Ins-I-Richard-...
- 11
1
vote
Where can I find diagramless fill-in puzzles?
Some Penny Press puzzle variety books have one or two of the diagramless fill-in puzzles. I also like them and have a hard time finding them. For the Penny Press puzzles, they have a list of words ...
- 11
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