There's more than one way to do things PerlMonks

### Comment on

 Need Help??
yeah, first "*" never tries 0. (update: hmm, no, it does try, for 10.. then I don't know why..) But if you actually specify the max number of matches
```my \$choices = join "\n   ",
map { "(  .{\$_} (?{ my \%r = \%{\\$^R}; \\$r{\$_}++; +{ \%r } })  ){0,
+".(int(\$amount/\$_))."}" }
@bills;
it works fine:
```12:28pm /home/Ivancho/bin> probichka.pl 20
(?x-ism:
^
(?{ +{} })
(  .{1} (?{ my %r = %{\$^R}; \$r{1}++; +{ %r } })  ){0,20}
(  .{5} (?{ my %r = %{\$^R}; \$r{5}++; +{ %r } })  ){0,4}
(  .{10} (?{ my %r = %{\$^R}; \$r{10}++; +{ %r } })  ){0,2}
(  .{20} (?{ my %r = %{\$^R}; \$r{20}++; +{ %r } })  ){0,1}
(  .{50} (?{ my %r = %{\$^R}; \$r{50}++; +{ %r } })  ){0,0}
(  .{100} (?{ my %r = %{\$^R}; \$r{100}++; +{ %r } })  ){0,0}
\$
(?{ push(@matches, \$^R) })
(?!)
)

\$VAR1 = [
{
'1' => 20
},
{
'1' => 15,
'5' => 1
},
{
'1' => 10,
'5' => 2
},
{
'1' => 10,
'10' => 1
},
{
'1' => 5,
'5' => 3
},
{
'1' => 5,
'10' => 1,
'5' => 1
},
{
'5' => 4
},
{
'10' => 1,
'5' => 2
},
{
'10' => 2
},
{
'20' => 1
}
];

In reply to Re^2: puzzle: how many ways to make \$100 by ivancho
in thread puzzle: how many ways to make \$100 by davidj

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