Sign of permutations by McBusLuck

read a;$a||(x=1;for b in $a;{ for c in ${a#* $b};{((x=b*c>c*c?-x:x));};};echo $x;. *)

Note that non-ascii characters in the above source code will be escaped (such as \x9f).

To protect the system from spam, please input your favorite sport (hint: I believe its name must start with 'g', case insensitive)


return to the top page