#!perl -l $.='-';$..=$".$.,$"x=3for 1..pop;print$. |
#!perl -l $.='-';$#l=-1+pop;$..=$".$.,$"x=3for@l;print$. |
#!perl -l $.='-';$,=pop;$..=$".$.,$"x=3for 0..$,-1;print$. |
#!perl -l $.='-';$,=pop;$..=($"x 3**$_).$.for 0..$,-1;print$. |
#!perl -l $_='-';$l=pop;$_=$_.($"x3**$,++).$_ while$,<$l;print |
#!perl -l
$_='-';$l=pop;$_=$_.(' 'x length).$_ while$,++<$l;print
|