solutions week 267

2 files changed, 49 insertions, 0 deletions

diff --git a/challenge-267/wambash/raku/ch-1.raku b/challenge-267/wambash/raku/ch-1.raku
new file mode 100644
index 0000000000..135de94d56
--- /dev/null
+++ b/challenge-267/wambash/raku/ch-1.raku
@@ -0,0 +1,19 @@
+#!/usr/bin/env raku
+
+sub product-sign (+ints) {
+    ints
+    andthen .map: *.sign
+    andthen [*] $_
+}
+
+multi MAIN (Bool :test($)!) {
+    use Test;
+    is product-sign(-1, -2, -3, -4, 3, 2, 1), 1;
+    is product-sign(1, 2, 0, -2, -1), 0;
+    is product-sign(-1, -1, 1, -1, 2), -1;
+    done-testing;
+}
+
+multi MAIN (+ints) {
+    say product-sign ints
+}
diff --git a/challenge-267/wambash/raku/ch-2.raku b/challenge-267/wambash/raku/ch-2.raku
new file mode 100644
index 0000000000..d9a09c3f0c
--- /dev/null
+++ b/challenge-267/wambash/raku/ch-2.raku
@@ -0,0 +1,30 @@
+#!/usr/bin/env raku
+
+sub join-sum ((:$str, :$sum, :$line), Pair $y) {
+    ($sum + $y.value ≤ 100)
+    ?? \(str => $str ~ $y.key, sum => $sum + $y.value, :$line )
+    !! \(str => $y.key,        sum => $y.value,         line =>$line+1)
+}
+
+sub line-counts ($str, +widths) {
+    my %letters = 'a'..'z' Z=> widths;
+
+    $str.comb
+    andthen .map: { $_ => %letters{$_} }\
+    andthen \(:str(''),:0sum,:1line), |$_
+    andthen .reduce: &join-sum
+    andthen .<line sum>
+}
+
+multi MAIN (Bool :test($)!) {
+    use Test;
+    is-deeply join-sum((:str('ab'),:20sum,  :3line), 'c' => 5), \(:str('abc'), :25sum, :3line);
+    is-deeply join-sum((:str('abc'),:95sum, :3line), 'd' => 10), \(:str('d'),  :10sum, :4line);
+    is-deeply line-counts(([~] 'a'..'z'), 10 xx 26), (3,60);
+    is-deeply line-counts('bbbcccdddaaa', 4,slip 10 xx 26), (2,4);
+    done-testing;
+}
+
+multi MAIN ($str, +widths) {
+    put line-counts $str, widths
+}