- Added solutions by Luca Ferrari.

5 files changed, 73 insertions, 0 deletions

diff --git a/challenge-103/luca-ferrari/blog-1.txt b/challenge-103/luca-ferrari/blog-1.txt
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+https://fluca1978.github.io/2021/03/08/PerlWeeklyChallenge103.html#task1
diff --git a/challenge-103/luca-ferrari/blog-2.txt b/challenge-103/luca-ferrari/blog-2.txt
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+++ b/challenge-103/luca-ferrari/blog-2.txt
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+https://fluca1978.github.io/2021/03/08/PerlWeeklyChallenge103.html#task2
diff --git a/challenge-103/luca-ferrari/raku/ch-1.p6 b/challenge-103/luca-ferrari/raku/ch-1.p6
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+#!raku
+
+
+
+class ChineseCalendar {
+    has DateTime $!now;
+    has Str @!animals;
+    has Str @!elements;
+
+    submethod BUILD( :$year = Nil ) {
+        @!animals  = qw/ Rat Ox Tiger Rabbit Dragon Snake Horse Goat Monkey Rooster Dog Pig /;
+        @!elements = qw/ Wood Fire Earth Metal Water /;
+        $!now      = $year ?? DateTime.new: year => $year !! DateTime.now;
+    }
+
+    method element() {
+        return @!elements[ ( $!now.year - 4 ) % 10 / 2 ];
+    }
+
+    method animal() {
+        return @!animals[ ( $!now.year - 4 ) % 12 ];
+    }
+}
+
+
+multi sub MAIN( Int $year where { $year > 1900 } ) {
+    my $cc = ChineseCalendar.new: year => $year;
+
+    say "Year $year is %s %s".sprintf:
+        $cc.element, $cc.animal;
+}
+
+multi sub MAIN() {
+    MAIN( DateTime.now.year );
+}
diff --git a/challenge-103/luca-ferrari/raku/ch-2.p6 b/challenge-103/luca-ferrari/raku/ch-2.p6
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index 0000000000..9ea6e731df
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+++ b/challenge-103/luca-ferrari/raku/ch-2.p6
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+#!raku
+
+
+sub MAIN( Int $start-ms where { $start-ms > 0 },
+          Int $now-ms where { $now-ms >= $start-ms },
+          Str $filename ) {
+
+    # lookup file name and tracks
+    my @tracks;
+    for $filename.IO.lines {
+        my ( $ms, $track ) = .split: ',';
+         @tracks.push: { time => $ms,
+                         track => $track };
+    }
+
+    # try to reach the end of the time
+    my $diff = $now-ms - $start-ms;
+    my $last-track = 0;
+    while ( $diff > 0 ) {
+        $last-track = 0;
+        for @tracks.kv -> $index, $track {
+            $diff -= $track< time >;
+            last if ( $diff <= 0 );
+            $last-track = $index;
+        }
+    }
+
+    "Now playing { @tracks[ $last-track ]<track> } ".say;
+}
diff --git a/challenge-103/luca-ferrari/raku/filelist.csv b/challenge-103/luca-ferrari/raku/filelist.csv
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index 0000000000..9428b93004
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+++ b/challenge-103/luca-ferrari/raku/filelist.csv
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+1709363,"Les Miserables Episode 1: The Bishop (broadcast date: 1937-07-23)"
+1723781,"Les Miserables Episode 2: Javert (broadcast date: 1937-07-30)"
+1723781,"Les Miserables Episode 3: The Trial (broadcast date: 1937-08-06)"
+1678356,"Les Miserables Episode 4: Cosette (broadcast date: 1937-08-13)"
+1646043,"Les Miserables Episode 5: The Grave (broadcast date: 1937-08-20)"
+1714640,"Les Miserables Episode 6: The Barricade (broadcast date: 1937-08-27)"
+1714640,"Les Miserables Episode 7: Conclusion (broadcast date: 1937-09-03)"