From 1bc1ce5cb9fd9624ea3a2aa785d1dd93e4ca3e39 Mon Sep 17 00:00:00 2001 From: Peter Norvig Date: Sat, 25 Apr 2026 09:23:02 -0700 Subject: [PATCH] Update Sudoku Java puzzle speed from 100k to 200k --- py/pytudes.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/py/pytudes.py b/py/pytudes.py index 0a98f07..dab1252 100644 --- a/py/pytudes.py +++ b/py/pytudes.py @@ -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?'), ('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: 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'), ("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"),