Challenge 340 solutions by Packy Anderson

  * Raku that is finally Raku-ish
  * Perl
  * Python that kinda looks like Raku
  * Elixir that is starting to look like Elixir

1 blog post

10 files changed, 250 insertions, 1 deletions

diff --git a/challenge-340/packy-anderson/README.md b/challenge-340/packy-anderson/README.md
index 1013ff24f7..7af85bca11 100644
--- a/challenge-340/packy-anderson/README.md
+++ b/challenge-340/packy-anderson/README.md
@@ -23,4 +23,4 @@
 
 ## Blog Post
 
-[Perl Weekly Challenge: Points? What's the diff?](https://packy.dardan.com/b/bN)
+[Perl Weekly Challenge: Rising in Num](https://packy.dardan.com/b/bj)
diff --git a/challenge-340/packy-anderson/blog.txt b/challenge-340/packy-anderson/blog.txt
new file mode 100644
index 0000000000..f0268a9a3f
--- /dev/null
+++ b/challenge-340/packy-anderson/blog.txt
@@ -0,0 +1 @@
+https://packy.dardan.com/b/bj
\ No newline at end of file
diff --git a/challenge-340/packy-anderson/elixir/ch-1.exs b/challenge-340/packy-anderson/elixir/ch-1.exs
new file mode 100755
index 0000000000..65013250fc
--- /dev/null
+++ b/challenge-340/packy-anderson/elixir/ch-1.exs
@@ -0,0 +1,33 @@
+#!/usr/bin/env elixir
+
+defmodule PWC do
+  def duplicate_removal(str) do
+    match = Regex.run(~r/(\p{L})\1/, str, capture: :first)
+    if match do
+      String.replace(str, match, "", global: false)
+      |> duplicate_removal
+    else
+      str
+    end
+  end
+
+  def solution(str) do
+    IO.puts("Input: $str = '#{str}'")
+    IO.puts("Output: '#{duplicate_removal(str)}'")
+  end
+end
+
+IO.puts("Example 1:")
+PWC.solution("abbaca")
+
+IO.puts("\nExample 2:")
+PWC.solution("azxxzy")
+
+IO.puts("\nExample 3:")
+PWC.solution("aaaaaaaa")
+
+IO.puts("\nExample 4:")
+PWC.solution("aabccba")
+
+IO.puts("\nExample 5:")
+PWC.solution("abcddcba")
diff --git a/challenge-340/packy-anderson/elixir/ch-2.exs b/challenge-340/packy-anderson/elixir/ch-2.exs
new file mode 100755
index 0000000000..73a47e15f8
--- /dev/null
+++ b/challenge-340/packy-anderson/elixir/ch-2.exs
@@ -0,0 +1,41 @@
+#!/usr/bin/env elixir
+
+defmodule PWC do
+  def ascending(list) when is_list(list) and length(list) == 1,
+    do: "true"
+
+  def ascending([head | list]) do
+    if head < List.first(list) do
+      ascending(list)
+    else
+      "false"
+    end
+  end
+
+  def ascending_num(str) do
+     Regex.scan(~r/\d+/, str, capture: :first)
+     |> List.flatten
+     |> Enum.map(fn n -> String.to_integer(n) end)
+     |> ascending
+  end
+
+  def solution(str) do
+    IO.puts("Input: $str = '#{str}'")
+    IO.puts("Output: #{ascending_num(str)}")
+  end
+end
+
+IO.puts("Example 1:")
+PWC.solution("The cat has 3 kittens 7 toys 10 beds")
+
+IO.puts("\nExample 2:")
+PWC.solution("Alice bought 5 apples 2 oranges 9 bananas")
+
+IO.puts("\nExample 3:")
+PWC.solution("I ran 1 mile 2 days 3 weeks 4 months")
+
+IO.puts("\nExample 4:")
+PWC.solution("Bob has 10 cars 10 bikes")
+
+IO.puts("\nExample 5:")
+PWC.solution("Zero is 0 one is 1 two is 2")
diff --git a/challenge-340/packy-anderson/perl/ch-1.pl b/challenge-340/packy-anderson/perl/ch-1.pl
new file mode 100755
index 0000000000..80cb0b4f84
--- /dev/null
+++ b/challenge-340/packy-anderson/perl/ch-1.pl
@@ -0,0 +1,28 @@
+#!/usr/bin/env perl
+use v5.40;
+
+sub duplicateRemoval($str) {
+  return $str
+    unless $str =~ s/([a-z])\g1//;
+  duplicateRemoval($str);
+}
+
+sub solution($str) {
+  say "Input: \$str = '$str'";
+  say "Output: '@{[duplicateRemoval($str)]}'";
+}
+
+say "Example 1:";
+solution("abbaca");
+
+say "\nExample 2:";
+solution("azxxzy");
+
+say "\nExample 3:";
+solution("aaaaaaaa");
+
+say "\nExample 4:";
+solution("aabccba");
+
+say "\nExample 5:";
+solution("abcddcba");
diff --git a/challenge-340/packy-anderson/perl/ch-2.pl b/challenge-340/packy-anderson/perl/ch-2.pl
new file mode 100755
index 0000000000..0dc1b498f1
--- /dev/null
+++ b/challenge-340/packy-anderson/perl/ch-2.pl
@@ -0,0 +1,31 @@
+#!/usr/bin/env perl
+use v5.40;
+
+sub ascendingNum($str) {
+  my @list = $str =~ /(\d+)/g;
+  while (@list > 1) {
+    return 'false' if $list[0] >= $list[1];
+    shift @list;
+  }
+  return 'true';
+}
+
+sub solution($str) {
+  say "Input: \$str = '$str'";
+  say "Output: @{[ascendingNum($str)]}";
+}
+
+say "Example 1:";
+solution("The cat has 3 kittens 7 toys 10 beds");
+
+say "\nExample 2:";
+solution("Alice bought 5 apples 2 oranges 9 bananas");
+
+say "\nExample 3:";
+solution("I ran 1 mile 2 days 3 weeks 4 months");
+
+say "\nExample 4:";
+solution("Bob has 10 cars 10 bikes");
+
+say "\nExample 5:";
+solution("Zero is 0 one is 1 two is 2");
diff --git a/challenge-340/packy-anderson/python/ch-1.py b/challenge-340/packy-anderson/python/ch-1.py
new file mode 100755
index 0000000000..4b0733e391
--- /dev/null
+++ b/challenge-340/packy-anderson/python/ch-1.py
@@ -0,0 +1,29 @@
+#!/usr/bin/env python
+
+import re
+
+def duplicate_removal(strval):
+  m = re.search(r'([a-z])\1', strval)
+  if not m: return strval
+  return duplicate_removal(
+    strval.replace(m.group(0), '', count=1)
+  )
+
+def solution(strval):
+  print(f"Input: $str = '{strval}'")
+  print(f"Output: '{duplicate_removal(strval)}'")
+
+print('Example 1:')
+solution("abbaca")
+
+print('\nExample 2:')
+solution("azxxzy")
+
+print('\nExample 3:')
+solution("aaaaaaaa")
+
+print('\nExample 4:')
+solution("aabccba")
+
+print('\nExample 5:')
+solution("abcddcba")
diff --git a/challenge-340/packy-anderson/python/ch-2.py b/challenge-340/packy-anderson/python/ch-2.py
new file mode 100755
index 0000000000..55b4f2b288
--- /dev/null
+++ b/challenge-340/packy-anderson/python/ch-2.py
@@ -0,0 +1,27 @@
+#!/usr/bin/env python
+
+def ascending_num(strval):
+  list = [ int(n) for n in strval.split() if n.isnumeric() ]
+  while len(list) > 1:
+    if list[0] >= list[1]: return False
+    list.pop(0)
+  return True
+
+def solution(strval):
+  print(f"Input: $str = '{strval}'")
+  print(f"Output: {ascending_num(strval)}")
+
+print('Example 1:')
+solution("The cat has 3 kittens 7 toys 10 beds")
+
+print('\nExample 2:')
+solution("Alice bought 5 apples 2 oranges 9 bananas")
+
+print('\nExample 3:')
+solution("I ran 1 mile 2 days 3 weeks 4 months")
+
+print('\nExample 4:')
+solution("Bob has 10 cars 10 bikes")
+
+print('\nExample 5:')
+solution("Zero is 0 one is 1 two is 2")
diff --git a/challenge-340/packy-anderson/raku/ch-1.raku b/challenge-340/packy-anderson/raku/ch-1.raku
new file mode 100755
index 0000000000..9bd7914c33
--- /dev/null
+++ b/challenge-340/packy-anderson/raku/ch-1.raku
@@ -0,0 +1,28 @@
+#!/usr/bin/env raku
+use v6;
+
+sub duplicateRemoval($str is copy) {
+  return $str
+    unless $str ~~ s/(<lower>) {} $0//;
+  duplicateRemoval($str);
+}
+
+sub solution($str) {
+  say "Input: \$str = '$str'";
+  say "Output: '{duplicateRemoval($str)}'";
+}
+
+say "Example 1:";
+solution("abbaca");
+
+say "\nExample 2:";
+solution("azxxzy");
+
+say "\nExample 3:";
+solution("aaaaaaaa");
+
+say "\nExample 4:";
+solution("aabccba");
+
+say "\nExample 5:";
+solution("abcddcba");
diff --git a/challenge-340/packy-anderson/raku/ch-2.raku b/challenge-340/packy-anderson/raku/ch-2.raku
new file mode 100755
index 0000000000..935d273a0b
--- /dev/null
+++ b/challenge-340/packy-anderson/raku/ch-2.raku
@@ -0,0 +1,31 @@
+#!/usr/bin/env raku
+use v6;
+
+sub ascendingNum($str) {
+  my @list = $str.comb(/\d+/);
+  while (@list.elems > 1) {
+    return False if @list[0] >= @list[1];
+    @list.shift;
+  }
+  return True;
+}
+
+sub solution($str) {
+  say "Input: \$str = '$str'";
+  say "Output: {ascendingNum($str)}";
+}
+
+say "Example 1:";
+solution("The cat has 3 kittens 7 toys 10 beds");
+
+say "\nExample 2:";
+solution("Alice bought 5 apples 2 oranges 9 bananas");
+
+say "\nExample 3:";
+solution("I ran 1 mile 2 days 3 weeks 4 months");
+
+say "\nExample 4:";
+solution("Bob has 10 cars 10 bikes");
+
+say "\nExample 5:";
+solution("Zero is 0 one is 1 two is 2");