queens man page

queens — n queens screensaver


queens [-display host:display.screen] [-window] [-root] [-install] [-visual visual] [-delay microseconds] [-wireframe] [-fps]


The queens program solves the n-queens problem (where, in this program, N is between 5 and 10 queens) using a straightforward backtracking algorithm. The problem is: how may one place N queens on an NxN chessboard such that no queen can attack a sister?


queens accepts the following options:

Draw on a newly-created window. This is the default.
Draw on the root window.
Install a private colormap for the window.
-visual visual
Specify which visual to use. Legal values are the name of a visual class, or the id number (decimal or hex) of a specific visual.
Render in wireframe instead of solid. -fps Display the current frame rate, CPU load, and polygon count.


to get the default host and display number.
to get the name of a resource file that overrides the global resources stored in the RESOURCE_MANAGER property.


It's not unknown for this and other OpenGL hacks to fail under hardware accelaration (UtahGLX) and take the X server with them. Texture images must be 16x16 or 32x32 or 64x64 etc.

See Also

X(1), xscreensaver(1) xscreensaver-demo(1), xscreensaver-getimage(1)


Blair Tennessy <tennessb@unbc.ca>, 20-April-2002.


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