From b8bef5c0a9eaf4e3d9cf822152e6d58c96ff17f5 Mon Sep 17 00:00:00 2001 From: Mark <53903062+andemark@users.noreply.github.com> Date: Mon, 13 May 2024 08:04:11 +0000 Subject: Challenge 269 Solutions (Raku) --- challenge-269/mark-anderson/raku/ch-1.raku | 11 ++++++++ challenge-269/mark-anderson/raku/ch-2.raku | 42 ++++++++++++++++++++++++++++++ 2 files changed, 53 insertions(+) create mode 100644 challenge-269/mark-anderson/raku/ch-1.raku create mode 100644 challenge-269/mark-anderson/raku/ch-2.raku diff --git a/challenge-269/mark-anderson/raku/ch-1.raku b/challenge-269/mark-anderson/raku/ch-1.raku new file mode 100644 index 0000000000..4bf4381d80 --- /dev/null +++ b/challenge-269/mark-anderson/raku/ch-1.raku @@ -0,0 +1,11 @@ +#!/usr/bin/env raku +use Test; + +ok bitwise-or(1,2,3,4,5); +ok bitwise-or(2,3,8,16); +nok bitwise-or(1,2,5,7,9); + +sub bitwise-or(*@ints) +{ + @ints ~~ m:2nd/ << (<.digit>+) >> / +} diff --git a/challenge-269/mark-anderson/raku/ch-2.raku b/challenge-269/mark-anderson/raku/ch-2.raku new file mode 100644 index 0000000000..55c04375ac --- /dev/null +++ b/challenge-269/mark-anderson/raku/ch-2.raku @@ -0,0 +1,42 @@ +#!/usr/bin/env raku +use Test; + +is-deeply distribute-elements(2,1,3,4,5), [2,3,4,5,1]; +is-deeply distribute-elements(3,2,4), [3,4,2]; +is-deeply distribute-elements(5,4,3,8), [5,3,4,8]; + +# I was going to try something like this +# +# while @ints +# { +# my $k = @ints.first(* < @arr2.tail, :k) // @ints.elems; +# @arr1.append: @ints.splice(0, $k+1); +# :(@arr1, @arr2) := (@arr2, @arr1) +# } +# +# but for some reason I get an error swapping inside the while loop. +# Swapping the arrays works outside of the loop. +# https://rakudoweekly.blog/2022/06/20/2022-25-we-will-raku/ + +sub distribute-elements(*@ints) +{ + my @arr1 = @ints.shift; + my @arr2 = @ints.shift; + + while @ints + { + if @arr1.tail > @arr2.tail + { + my $k = @ints.first(* < @arr2.tail, :k) // @ints.elems; + @arr1.append: @ints.splice(0, $k+1) + } + + else + { + my $k = @ints.first(* < @arr1.tail, :k) // @ints.elems; + @arr2.append: @ints.splice(0, $k+1) + } + } + + @arr1.append: @arr2 +} -- cgit