Combinations with repetitions/Square digit chain: Difference between revisions
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m (→{{header|Perl 6}}: minor update to working around warnings) |
Thundergnat (talk | contribs) m (→{{header|Perl 6}}: Possibly better work-around for uninitialized warnings) |
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my @ks = (7, 8, 11, 14, 17); |
my @ks = (7, 8, 11, 14, 17); |
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for @ks -> $k { |
for @ks -> $k { |
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my @sums = 1,0; |
my @sums is default(0) = 1,0; |
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my $s; |
my $s; |
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for (1 .. $k) -> $n { |
for (1 .. $k) -> $n { |
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$s = $j²; |
$s = $j²; |
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if ($s > $i) { last }; |
if ($s > $i) { last }; |
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@sums[$i-$s]:exists or @sums[$i-$s] = 0; # ugly work around |
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@sums[$i] += @sums[$i-$s]; |
@sums[$i] += @sums[$i-$s]; |
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} |
} |
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