math is hard (to remember)
cabney
cabney at cyberpass.net
Thu Jul 12 23:59:57 CDT 2001
~sdpm~
On 12 Jul 2001, Randal L. Schwartz wrote:
> Here's one way that involves more recursion than iteration. I've come
> up with ways that involve more iteration than recursion too. :)
[shnibble]
hmmm, something like this?? (this is very nice, thanks again. :)
=8<=======================================================
#! /usr/bin/perl -w
my @list = qw(red orange yellow green blue);
my @ans = combo(@list);
print "@{$_}\n" for @ans;
sub combo
{
my $ret;
while ( @_ )
{
my $this = shift;
my @redo;
for $done (@{$ret})
{
push @redo, [$this,@{$done}];
}
push @{$ret}, [$this], @redo;
}
return @{$ret};
}
=8<=======================================================
CA
--
There was a time
A wind that blew so young
For this could be the biggest sky
And I could have the faintest idea
~sdpm~
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