FreeBSD manual

download PDF document: qqwing.1.pdf

QQWING(1) FreeBSD General Commands Manual QQWING(1) NAME qqwing - A tool for generating and solving Sudoku puzzles SYNOPSIS qqwing --generate [OPTIONS...] qqwing --solve [OPTIONS...] DESCRIPTION qqwing is a Sudoku puzzle generator and solver. It offers the following features: o Fast. It can solve 1000 puzzles in 1 second and generate 1000 puzzles in 25 seconds. o Uses logic. Uses as many solve techniques as possible when solving puzzles rather than guessing. o Rates puzzles. Most generators don't give an indication of the difficulty of a Sudoku puzzle. QQwing does. o Can print solve instructions. Tells steps that need to be taken to solve any puzzle. o Customizable output style, including a CSV style that is easy to import into a database. OPTIONS --generate <num> Generate new puzzles --solve Solve all the puzzles from standard input --difficulty Generate only simple, easy, intermediate, expert, or any --symmetry <sym> Symmetry: none, rotate90, rotate180, mirror, flip, or random --puzzle Print the puzzle (default when generating) --nopuzzle Do not print the puzzle (default when solving) --solution Print the solution (default when solving) --nosolution Do not print the solution (default when generating) --stats Print statistics about moves used to solve the puzzle Do not print solve or generation times (default) --count-solutions Count the number of solutions to puzzles --nocount-solutions Do not count the number of solutions (default) --history Print trial and error used when solving --nohistory Do not print trial and error to solve (default) --instructions Print the steps (at least 81) needed to solve the puzzle --noinstructions Do not print steps to solve (default) --log-history Print trial and error to solve as it happens --nolog-history Do not print trial and error to solve as it happens --one-line Print puzzles on one line of 81 characters --compact Print puzzles on 9 lines of 9 characters --readable Print puzzles in human readable form (default) --csv Output CSV format with one line puzzles -h, --help Display help message --about Display author and license information --version Display version number SEE ALSO http://qqwing.com/ 2014-08-03 QQWING(1)