36 lines
541 B
Markdown
36 lines
541 B
Markdown
# Sudoku solver
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A simple sudoku problem solver
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## File format
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The sudoku solver accepts a file for the following format:
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* Each row consists of 9 characters (+ newline)
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* Each character on a row (aside from newline) must be '0'-'9' or ' ' (if value is unknown)
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* There must be a total of 9 rows
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For example, a file might look as follows:
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```
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23456789
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2 4567891
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34 678912
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456 89123
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5678 1234
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67891 345
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789123 56
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8912345 7
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91234567
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```
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or
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```
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123456789
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2 456 891
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3456789
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456 89123
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5678 12 4
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6 91 345
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789123456
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8 12345 7
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912345678
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```
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