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The 2025 Developer Survey results are in. Explore insights into technology and tools, careers, community and more. View results.

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3 votes
1 answer
170 views

Pentomino solver in Python

When I was a child, I used to play Ubongo board game, recently I discovered Pentomino puzzle and I wanted to create a custom solver in python for it. Here is what I got: ...
Riomare's user avatar
  • 31
3 votes
1 answer
122 views

Recursive backtracking Sudoku algorithm

I've tried optimising my program by removing invalid values for possible spaces instead of searching from 1-9, and by choosing values with the lowest number of empty spaces in its row and column, but ...
idkDude's user avatar
  • 31
6 votes
2 answers
508 views

Python backtracking algorithm to solve sudoku

I have recently gotten back into writing python and i decided to take up a project of writing a backtracking algorithm in python to solve Sudoku puzzles How it Works A matrix is declared to represent ...
HiddenSquid123's user avatar
4 votes
2 answers
2k views

N Queens in Python

I used Python very occasionally, today I solved n queens in Python just for fun. I am sure there are better way of doing certain things in Python and can't wait for improvement suggestions! ...
Nils's user avatar
  • 474
18 votes
2 answers
3k views

A KenKen puzzle/solver in Python

I've written a simple KenKen puzzle/solver in Python. I'd love some feedback on the design of the puzzle, as well as the architecture for the solver. To model the puzzle, I have the following classes:...
user138440's user avatar