Semi-Team
Semi-Team
Team Members
- Michael Fainshtein, Research, Development, Presentation
Progress
Assignment 1
Rules to play Sudoku
Sudoku is a logic puzzle where a grid composed of mini grids is presented to the player to fill each cell with a number unique to its column, row and mini-grid.
Sudoku Backtrack Algorithm
Find row, col of an unassigned cell
If there is none, return true
For digits from 1 to 9
a) If there is no conflict for digit at row,col
assign digit to row,col and recursively try fill in rest of grid
b) If recursion successful, return true
c) Else, remove digit and try another
If all digits have been tried and nothing worked, return false
Serial Sudoku Performance
Difficulty Medium: 02 00 00 |00 00 00 |00 00 00 09 00 00 |04 00 08 |00 00 06 00 03 08 |00 02 07 |00 00 00 ____________________________ 00 04 00 |00 00 03 |00 01 00 00 02 00 |00 04 00 |00 06 00 00 08 00 |05 00 00 |00 03 00 ____________________________ 00 00 00 |07 06 00 |03 05 00 07 00 00 |09 00 05 |00 00 08 00 00 00 |00 00 00 |00 00 01
Sudoku Solved - took - 6 millisecs
Difficulty Hard: 00 00 00 |08 00 02 |00 00 00 07 00 00 |00 00 00 |00 00 09 00 00 01 |00 00 09 |00 06 02 _____________________________ 00 07 00 |06 00 00 |00 05 00 01 03 00 |00 00 00 |00 02 04 00 04 00 |00 00 07 |00 08 00 ____________________________ 08 01 00 |03 00 00 |05 00 00 05 00 00 |00 00 00 |00 00 08 00 00 00 |04 00 08 |00 00 00
Sudoku Solved - took - 16 millisecs