solutions week 103

3 files changed, 50 insertions, 0 deletions

diff --git a/challenge-103/wambash/raku/ch-1.raku b/challenge-103/wambash/raku/ch-1.raku
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index 0000000000..e2ceabf5fb
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+++ b/challenge-103/wambash/raku/ch-1.raku
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+#!/usr/bin/env raku
+
+constant @animal  = < Rat Ox Tiger Rabbit Dragon Snake Horse Goat Monkey Rooster Dog Pig >;
+constant @element =  <Yang Ying> RXR~ ' ' RXR~ <Wood Fire Earth Metal Water>;
+constant @sexagenary-cycle = |@element xx 6 Z~ ' ' xx * Z~ |@animal xx 5;
+
+sub chinese-zodiac ( $year ) {
+    @sexagenary-cycle.[($year-4) mod 60];
+}
+
+multi MAIN (UInt $year ) {
+    say chinese-zodiac $year
+}
+
+multi MAIN (Bool :$test! ) {
+    use Test;
+    is chinese-zodiac(2017), 'Ying Fire Rooster';
+    is chinese-zodiac(1938), 'Yang Earth Tiger';
+    done-testing;
+}
diff --git a/challenge-103/wambash/raku/ch-2.raku b/challenge-103/wambash/raku/ch-2.raku
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+++ b/challenge-103/wambash/raku/ch-2.raku
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+#!/usr/bin/env raku
+
+sub what's-playing ( $start-time, $current-time = now, $file = 'playlist.csv'  ) {
+    my (@time, @name) := [Z] $file.IO.lines.map: {.split: ',', 2};
+    my @time-to = [\+] |@time.map: * / 1000;
+    my $time-in-playlist = ($current-time - $start-time) % @time-to.tail;
+
+    @time-to.first: * >  $time-in-playlist,:k
+    andthen @name[$_] => ($time-in-playlist - (0,|@time-to)[$_]).polymod(60, 60).reverse.fmt('%02d',':');
+}
+
+multi MAIN (Bool :$test!) {
+    use Test;
+    is   what's-playing( 1606134123, 1614591276, ).value, '00:10:24';
+    like what's-playing( 1606134123, 1614591276, 'playlist.csv').key, /:s Episode 1/;
+    is   what's-playing( 1606134123, 1694591276, ).value, '00:08:46';
+    like what's-playing( 1606134123, 1694591276, ).key, /:s Episode 6/;
+    done-testing;
+}
+
+multi MAIN ( $start-time, $current-time = now, $file = 'playlist.csv' ) {
+    say what's-playing $start-time,  $current-time, $file
+}
diff --git a/challenge-103/wambash/raku/playlist.csv b/challenge-103/wambash/raku/playlist.csv
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index 0000000000..9428b93004
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+++ b/challenge-103/wambash/raku/playlist.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)"