solutions week 262

2 files changed, 42 insertions, 0 deletions

diff --git a/challenge-262/wambash/raku/ch-1.raku b/challenge-262/wambash/raku/ch-1.raku
new file mode 100644
index 0000000000..da37b4ebe4
--- /dev/null
+++ b/challenge-262/wambash/raku/ch-1.raku
@@ -0,0 +1,20 @@
+#!/usr/bin/env raku
+
+sub max-positive-negative (+ints) {
+    ints
+    andthen .classify: *.sign
+    andthen .nodemap: *.elems
+    andthen .{-1,1}.max
+}
+
+multi MAIN (Bool :test($)!) {
+    use Test;
+    is max-positive-negative(-3,1,2,-1,3,-2,4),4;
+    is max-positive-negative(-1, -2, -3, 1),   3;
+    is max-positive-negative(1,2),             2;
+    done-testing;
+}
+
+multi MAIN (+ints) {
+    say max-positive-negative ints
+}
diff --git a/challenge-262/wambash/raku/ch-2.raku b/challenge-262/wambash/raku/ch-2.raku
new file mode 100644
index 0000000000..5fc00ac483
--- /dev/null
+++ b/challenge-262/wambash/raku/ch-2.raku
@@ -0,0 +1,22 @@
+#!/usr/bin/env raku
+
+sub count-equal-divisible (+ints,:$k) {
+    ints
+    andthen .pairs
+    andthen .classify: *.value, as => *.key
+    andthen .values
+    andthen .map:  |*.combinations(2).map: -> (\x,\y) {x * y}\
+    andthen .grep: { $_ %% $k }\
+    andthen .elems
+}
+
+multi MAIN (Bool :test($)!) {
+    use Test;
+    is count-equal-divisible(3,1,2,2,2,1,3):2k,4;
+    is count-equal-divisible(1,2,3):1k,0;
+    done-testing;
+}
+
+multi MAIN (+ints,:$k) {
+    say count-equal-divisible +ints,:$k
+}