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Update Sudoku Java puzzle speed from 100k to 200k

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Peter Norvig
2026-04-25 09:23:02 -07:00
committed by GitHub
parent ec3c52f43a
commit 1bc1ce5cb9
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py/pytudes.py
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@@ -63,7 +63,7 @@ notebooks = {
("Stubborn number endings", 2024, 'Stubborn.ipynb', 'Any number ending in 5 has a square that also ends in 5. What other endings are like this?'), ("Stubborn number endings", 2024, 'Stubborn.ipynb', 'Any number ending in 5 has a square that also ends in 5. What other endings are like this?'),
('Star Battle (Sudoku-like Puzzle)', 2021, 'StarBattle.ipynb', 'Fill-in-the-grid puzzle similar to Sudoku'), ('Star Battle (Sudoku-like Puzzle)', 2021, 'StarBattle.ipynb', 'Fill-in-the-grid puzzle similar to Sudoku'),
('Sudoku', 2006, 'Sudoku.ipynb', 'Classic fill-in-the-grid puzzle'), ('Sudoku', 2006, 'Sudoku.ipynb', 'Classic fill-in-the-grid puzzle'),
('Sudoku: 100,000 puzzles/second in Java', 2021, 'SudokuJava.ipynb', 'A version of the Sudoku solver using parallel threads and other optimizations'), ('Sudoku: 200,000 puzzles/second in Java', 2021, 'SudokuJava.ipynb', 'A version of the Sudoku solver using parallel threads and other optimizations'),
('Square Sum Puzzle', 2020, 'SquareSum.ipynb', 'Place the numbers from 1 to n in a chain (or a circle) such that adjacent pairs sum to a perfect square'), ('Square Sum Puzzle', 2020, 'SquareSum.ipynb', 'Place the numbers from 1 to n in a chain (or a circle) such that adjacent pairs sum to a perfect square'),
("When is Cheryl's Birthday?", 2020, 'Cheryl.ipynb', "Solving the *Cheryl's Birthday* logic puzzle"), ("When is Cheryl's Birthday?", 2020, 'Cheryl.ipynb', "Solving the *Cheryl's Birthday* logic puzzle"),
('When Cheryl Met Eve: A Birthday Story', 2015, 'Cheryl-and-Eve.ipynb', "Inventing new puzzles in the Style of Cheryl's Birthday"), ('When Cheryl Met Eve: A Birthday Story', 2015, 'Cheryl-and-Eve.ipynb', "Inventing new puzzles in the Style of Cheryl's Birthday"),