Results for: Sudoku

Contest Wrap-Up

Posted by Matthew Simoneau,

Contest Wrap-Up Congratulations to all our winners and everyone who contributed to the winning entry. Be sure to read about the winners and their contest stories on the contest winners page. We’ve also posted the Contest Evolution and Final Analysis. For a information about all our past contests, see the Contest... read more >>

Sudoku: Final Analysis

Posted by Matthew Simoneau,

Sudoku: Final Analysis Sudoku, Final Analysis by Lucio Cetto When designing the test suite for the Sudoku Contest, we tried to estimate what the best score would ultimately be. This is important for tuning our grading function that weights the score and elapsed time. One of the reasons we use this formula is to make... read more >>

Sudoku: Contest Evolution

Posted by Matthew Simoneau,

Sudoku: Contest Evolution Sudoku: Contest Evolution By Matthew Simoneau Over the course of eight days, hundreds of contestants submitted thousands entries. With so much activity, it is hard to follow the action. This report will pick out some statistics and draw some pictures that give some indication of the progress. Contents Submissions Over Time Activity by Hour Activity of the... read more >>

Sudoku Contest Winner

Posted by Matthew Simoneau,

Sudoku Contest Winner CT, aka the cyclist, aka Tim Vaughan is the overall winner of the Sudoku contest! His entry, submitted at 4:32PM, improved on the previous best score by 0.17% – no small accomplishment for code that had been squeezed for days. He was also the winner of our last... read more >>

The Final Hours

Posted by Matthew Simoneau,

The Final Hours The MATLAB Contest ends at 5PM EST on Wednesday. We will declare a contest winner based on the best entry submitted before the deadline. The load on our database will be very high right before the deadline. Be careful! If you wait until the final few minutes... read more >>

Claus Still is our Leap Contest Winner

Posted by Matthew Simoneau,

Claus Still is our Leap Contest Winner Claus Still made the biggest single improvement in score during the Leap mid-contest. He also made the second biggest leap, followed by Satya, nathan q, Stijn Helsen, and Niilo Sirola. ... read more >>

Sudoku: Mid-contest analysis

Posted by Matthew Simoneau,

Sudoku: Mid-contest analysis Mid-contest analysis by Navan Ruthramoorthy Here is a simple analysis of the leading entry in the Sudoku contest. In a rough way, we want to summarize how far we’ve come and show that the possibility for algorithmic improvement still remains.   Contents A Sample Puzzle Extra Numbers Integers Integers + Jitter Conclusion A Sample Puzzle Let’s load a sample puzzle. clear load midcontest puzzle1... read more >>

Mid-Contest Analysis and Leap Prize

Posted by Matthew Simoneau,

Mid-Contest Analysis and Leap Prize Here near the end of the contest, Navan has written a brief Mid-contest Analysis that takes a look at the leading entry. We’re also announcing a Leap award for the entry submitted between noon on Tuesday and 9AM on Wednesday (EST) that makes the biggest single improvement to the top score.... read more >>

Guy Incognito wins Midnight Madness

Posted by Matthew Simoneau,

Guy Incognito wins Midnight Madness The mysterious Guy Incognito is the winner of our Midnight Madness prize by submitting the top entry before midnight EST on Monday night. He was also the biggest contributor to the score on Monday, followed by Timothy Alderson and Brian Jones. ... read more >>

Midnight Madness

Posted by Matthew Simoneau,

Midnight Madness We’ll award our Midnight Madness award to the best entry submitted before midnight (EST) at the end of Monday. Good luck! ... read more >>

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