随机有趣的东西！___下载.zip

Sudoku solver ------ Solves sudoko with constraint based backtracking. Here is the result of solving [Peter Norvig's](http://norvig.com/sudoku.html) 95 [hard sudoko](http://norvig.com/top95.txt) challenges ``` Succeeded in 72 ms Succeeded in 154 ms Succeeded in 163 ms Succeeded in 8720 ms Succeeded in 2234 ms Succeeded in 18160 ms Succeeded in 7919 ms Succeeded in 86 ms Succeeded in 6435 ms Succeeded in 9515 ms Succeeded in 1405 ms Succeeded in 113 ms Succeeded in 175 ms Succeeded in 2359 ms Succeeded in 259 ms Succeeded in 1370 ms Succeeded in 81 ms Succeeded in 6814 ms Succeeded in 6 ms Succeeded in 118 ms Succeeded in 12125 ms Succeeded in 17 ms Succeeded in 210 ms Succeeded in 164 ms Succeeded in 83 ms Succeeded in 658 ms Succeeded in 616 ms Succeeded in 17439 ms Succeeded in 48 ms Succeeded in 292 ms Succeeded in 129 ms Succeeded in 47 ms Succeeded in 15 ms Succeeded in 9890 ms Succeeded in 644 ms Succeeded in 143 ms Succeeded in 425 ms Succeeded in 134 ms Succeeded in 848 ms Succeeded in 41 ms Succeeded in 2396 ms Succeeded in 1214 ms Succeeded in 574 ms Succeeded in 75 ms Succeeded in 160 ms Succeeded in 8759 ms Succeeded in 411 ms Succeeded in 139 ms Succeeded in 1088 ms Succeeded in 252 ms Succeeded in 51 ms Succeeded in 45 ms Succeeded in 16 ms Succeeded in 38 ms Succeeded in 117 ms Succeeded in 37 ms Succeeded in 273 ms Succeeded in 167 ms Succeeded in 106 ms Succeeded in 209 ms Succeeded in 410 ms Succeeded in 155 ms Succeeded in 24 ms Succeeded in 640 ms Succeeded in 2 ms Succeeded in 171 ms Succeeded in 292 ms Succeeded in 441 ms Succeeded in 283 ms Succeeded in 280 ms Succeeded in 7822 ms Succeeded in 24 ms Succeeded in 572 ms Succeeded in 353 ms Succeeded in 262 ms Succeeded in 267 ms Succeeded in 127 ms Succeeded in 34 ms Succeeded in 820 ms Succeeded in 57 ms Succeeded in 194 ms Succeeded in 191 ms Succeeded in 293 ms Succeeded in 122 ms Succeeded in 59 ms Succeeded in 17 ms Succeeded in 223 ms Succeeded in 5 ms Succeeded in 269 ms Succeeded in 50 ms Succeeded in 31 ms Succeeded in 12 ms Succeeded in 106 ms Succeeded in 41 ms ``` Not so good, but at least it finishes! :) The code would be a whole lot faster if I started with all possibile availables and then eliminated, instead of re-calculating the possible space on each run. But, I originally solved it in a brute force manner and added in the constraint based backtracking later, and really didn't feel like refactoring the whole thing.