Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
fjfaase
3 months ago
|
parent
|
context
|
favorite
| on:
The Flummoxagon
Nice article, which also explains the mapping of the puzzle to an exact cover problem and how those can be solved with dangling links as in Knuth's Algorithm X.
MontagFTB
3 months ago
[–]
A blast from the past! I once wrote an implementation of dancing_links in C++ as part of a Sudoku solver:
https://github.com/stlab/adobe_source_libraries/blob/main/ad...
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search: