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| -rw-r--r-- | challenge-003/fjwhittle/perl6/ch-2.p6 | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/challenge-003/fjwhittle/perl6/ch-2.p6 b/challenge-003/fjwhittle/perl6/ch-2.p6 new file mode 100644 index 0000000000..5149fb1447 --- /dev/null +++ b/challenge-003/fjwhittle/perl6/ch-2.p6 @@ -0,0 +1,24 @@ +#!/usr/bin/env perl6 + +use v6; + +subset Count of Int where * >= 3; + +#| Generates a single row of the triangle. +multi sub generate-row(Int $n) { + my @row = [1]; + + for 1..^$n -> $m { + my $fr = ($n - $m) / $m; + @row.push: @row.tail * $fr; + } + + @row; +} + +#| Generate Pascal's Triangle +sub MAIN( + Count :$rows = 3 #= Number of rows to make (minimum 3). +) { + generate-row($_).put for 1..$rows; +} |
