From f88ec70a8f56f1d4e7ecf28b0062d46b82f8b030 Mon Sep 17 00:00:00 2001
From: Mohammad S Anwar <mohammad.anwar@yahoo.com>
Date: Tue, 23 May 2023 19:56:21 +0100
Subject: - Added solutions by Mark Anderson. - Added solutions by Stephen G.
 Lynn. - Added solutions by David Ferrone. - Added solutions by Thomas Kohler.
 - Added solutions by Niels van Dijke. - Added solutions by W. Luis Mochan. -
 Added solutions by Steven Wilson. - Added solutions by Robert DiCicco. -
 Added solutions by Lubos Kolouch.

---
 challenge-218/jeanluc2020/blog-1.txt              |    1 -
 challenge-218/jeanluc2020/blog-2.txt              |    1 -
 challenge-218/jeanluc2020/blog.txt                |    1 +
 challenge-218/jeanluc2020/blog1.txt               |    1 +
 challenge-218/perlboy1967/perl/ch-1.pl            |   51 +
 challenge-218/perlboy1967/perl/ch-2.pl            |   58 +
 challenge-218/perlboy1967/perl/ch1.pl             |   51 -
 challenge-218/perlboy1967/perl/ch2.pl             |   58 -
 challenge-218/robert-dicicco/julia/ch-1.jl        |   55 +
 challenge-218/robert-dicicco/perl/ch-1.pl         |   59 +
 challenge-218/robert-dicicco/python/ch-1.py       |   51 +
 challenge-218/robert-dicicco/raku/ch-1.raku       |   57 +
 challenge-218/robert-dicicco/ruby/ch-1.rb         |   56 +
 challenge-218/steven-wilson/perl/ch-01.pl         |   21 -
 challenge-218/steven-wilson/perl/ch-1.pl          |   21 +
 challenge-218/ziameraj16/java/MaximumProduct.java |   26 +
 members.json                                      |    2 +-
 stats/pwc-challenge-072.json                      |  615 +++--
 stats/pwc-challenge-217.json                      |  714 +++++
 stats/pwc-current.json                            |  697 +----
 stats/pwc-language-breakdown-summary.json         |   80 +-
 stats/pwc-language-breakdown.json                 | 3057 +++++++++++----------
 stats/pwc-leaders.json                            |  438 +--
 stats/pwc-summary-1-30.json                       |  112 +-
 stats/pwc-summary-121-150.json                    |  112 +-
 stats/pwc-summary-151-180.json                    |   66 +-
 stats/pwc-summary-181-210.json                    |  110 +-
 stats/pwc-summary-211-240.json                    |  132 +-
 stats/pwc-summary-241-270.json                    |  122 +-
 stats/pwc-summary-271-300.json                    |   38 +-
 stats/pwc-summary-31-60.json                      |   60 +-
 stats/pwc-summary-61-90.json                      |  132 +-
 stats/pwc-summary-91-120.json                     |  114 +-
 stats/pwc-summary.json                            | 1794 ++++++------
 34 files changed, 4752 insertions(+), 4211 deletions(-)
 delete mode 100644 challenge-218/jeanluc2020/blog-1.txt
 delete mode 100644 challenge-218/jeanluc2020/blog-2.txt
 create mode 100644 challenge-218/jeanluc2020/blog.txt
 create mode 100644 challenge-218/jeanluc2020/blog1.txt
 create mode 100755 challenge-218/perlboy1967/perl/ch-1.pl
 create mode 100755 challenge-218/perlboy1967/perl/ch-2.pl
 delete mode 100755 challenge-218/perlboy1967/perl/ch1.pl
 delete mode 100755 challenge-218/perlboy1967/perl/ch2.pl
 create mode 100644 challenge-218/robert-dicicco/julia/ch-1.jl
 create mode 100644 challenge-218/robert-dicicco/perl/ch-1.pl
 create mode 100644 challenge-218/robert-dicicco/python/ch-1.py
 create mode 100644 challenge-218/robert-dicicco/raku/ch-1.raku
 create mode 100644 challenge-218/robert-dicicco/ruby/ch-1.rb
 delete mode 100644 challenge-218/steven-wilson/perl/ch-01.pl
 create mode 100644 challenge-218/steven-wilson/perl/ch-1.pl
 create mode 100644 challenge-218/ziameraj16/java/MaximumProduct.java
 create mode 100644 stats/pwc-challenge-217.json

diff --git a/challenge-218/jeanluc2020/blog-1.txt b/challenge-218/jeanluc2020/blog-1.txt
deleted file mode 100644
index c669294ffe..0000000000
--- a/challenge-218/jeanluc2020/blog-1.txt
+++ /dev/null
@@ -1 +0,0 @@
-http://gott-gehabt.de/800_wer_wir_sind/thomas/Homepage/Computer/perl/theweeklychallenge-218-1.html
diff --git a/challenge-218/jeanluc2020/blog-2.txt b/challenge-218/jeanluc2020/blog-2.txt
deleted file mode 100644
index f9b28f55a1..0000000000
--- a/challenge-218/jeanluc2020/blog-2.txt
+++ /dev/null
@@ -1 +0,0 @@
-http://gott-gehabt.de/800_wer_wir_sind/thomas/Homepage/Computer/perl/theweeklychallenge-218-2.html
diff --git a/challenge-218/jeanluc2020/blog.txt b/challenge-218/jeanluc2020/blog.txt
new file mode 100644
index 0000000000..c669294ffe
--- /dev/null
+++ b/challenge-218/jeanluc2020/blog.txt
@@ -0,0 +1 @@
+http://gott-gehabt.de/800_wer_wir_sind/thomas/Homepage/Computer/perl/theweeklychallenge-218-1.html
diff --git a/challenge-218/jeanluc2020/blog1.txt b/challenge-218/jeanluc2020/blog1.txt
new file mode 100644
index 0000000000..f9b28f55a1
--- /dev/null
+++ b/challenge-218/jeanluc2020/blog1.txt
@@ -0,0 +1 @@
+http://gott-gehabt.de/800_wer_wir_sind/thomas/Homepage/Computer/perl/theweeklychallenge-218-2.html
diff --git a/challenge-218/perlboy1967/perl/ch-1.pl b/challenge-218/perlboy1967/perl/ch-1.pl
new file mode 100755
index 0000000000..48bbc2aa76
--- /dev/null
+++ b/challenge-218/perlboy1967/perl/ch-1.pl
@@ -0,0 +1,51 @@
+#!/bin/perl
+
+=pod
+
+The Weekly Challenge - 217
+- https://theweeklychallenge.org/blog/perl-weekly-challenge-217
+
+Author: Niels 'PerlBoy' van Dijke
+
+Task 1: Maximum Product
+Submitted by: Mohammad S Anwar
+
+You are given a list of 3 or more integers.
+
+Write a script to find the 3 integers whose product is the maximum and return it.
+
+=cut
+
+use v5.16;
+
+use common::sense;
+
+use List::Util qw(product);
+
+use Test::More;
+
+sub maxProduct (@) {
+  my (@n,@p);
+
+  # Find negative and positive factors
+  for (@_) {
+    $_ < 0 ? push(@n,$_) : 
+    $_ > 0 ? push(@p,$_) :
+    0;
+  }
+
+  # If we have an odd number of negative factors, 
+  # ditch the one closest to zero
+  @n = sort {$a <=> $b} @n;
+  pop @n if (@n % 2);
+
+  product(@p,@n);
+}
+
+is(maxProduct(3,2,1),6);
+is(maxProduct(4,1,3,2),24);
+is(maxProduct(-1,0,1,3,1),3);
+is(maxProduct(-8,2,-9,0,-4,3),432);
+is(maxProduct(-3,-2,-1,0,1,2,3),36);
+
+done_testing;
diff --git a/challenge-218/perlboy1967/perl/ch-2.pl b/challenge-218/perlboy1967/perl/ch-2.pl
new file mode 100755
index 0000000000..757630f319
--- /dev/null
+++ b/challenge-218/perlboy1967/perl/ch-2.pl
@@ -0,0 +1,58 @@
+#!/bin/perl
+
+=pod
+
+The Weekly Challenge - 217
+- https://theweeklychallenge.org/blog/perl-weekly-challenge-217
+
+Author: Niels 'PerlBoy' van Dijke
+
+Task 2: Matrix Score
+Submitted by: Mohammad S Anwar
+
+You are given a m x n binary matrix i.e. having only 1 and 0.
+
+You are allowed to make as many moves as you want to get the highest score.
+
+|| A move can be either toggling each value in a row or column.
+
+To get the score, convert the each row binary to dec and return the sum.
+
+=cut
+
+use v5.16;
+
+use common::sense;
+
+use List::Util qw(sum);
+
+use Test::More;
+
+sub matrixScore (\@) {
+  my ($ar) = @_;
+  my $nR = @$ar - 1;
+  my $nC = @{$ar->[0]} - 1;
+
+  # First make sure each row has its MSB set
+  for (@$ar) {
+    map { $_ = ++$_ % 2 } @$_ if ($$_[0] == 0);
+  }
+
+  for my $c (1 .. $nC) {
+    my $ones = grep { $ar->[$_][$c] == 1 } (0 .. $nR);
+
+    # Flip bits in column C if number of '1's is smaller than # of rows
+    map { $ar->[$_][$c] = ++$$ar[$_][$c] % 2 } (0 .. $nR) 
+      if ($ones < $nR);
+  }
+
+  return sum(map{oct('0b'.join('',@$_))} @$ar);
+}
+
+
+is(matrixScore(@{[[0,0,1,1],
+                  [1,0,1,0],
+                  [1,1,0,0],
+                 ]}),39);
+
+done_testing;
diff --git a/challenge-218/perlboy1967/perl/ch1.pl b/challenge-218/perlboy1967/perl/ch1.pl
deleted file mode 100755
index 48bbc2aa76..0000000000
--- a/challenge-218/perlboy1967/perl/ch1.pl
+++ /dev/null
@@ -1,51 +0,0 @@
-#!/bin/perl
-
-=pod
-
-The Weekly Challenge - 217
-- https://theweeklychallenge.org/blog/perl-weekly-challenge-217
-
-Author: Niels 'PerlBoy' van Dijke
-
-Task 1: Maximum Product
-Submitted by: Mohammad S Anwar
-
-You are given a list of 3 or more integers.
-
-Write a script to find the 3 integers whose product is the maximum and return it.
-
-=cut
-
-use v5.16;
-
-use common::sense;
-
-use List::Util qw(product);
-
-use Test::More;
-
-sub maxProduct (@) {
-  my (@n,@p);
-
-  # Find negative and positive factors
-  for (@_) {
-    $_ < 0 ? push(@n,$_) : 
-    $_ > 0 ? push(@p,$_) :
-    0;
-  }
-
-  # If we have an odd number of negative factors, 
-  # ditch the one closest to zero
-  @n = sort {$a <=> $b} @n;
-  pop @n if (@n % 2);
-
-  product(@p,@n);
-}
-
-is(maxProduct(3,2,1),6);
-is(maxProduct(4,1,3,2),24);
-is(maxProduct(-1,0,1,3,1),3);
-is(maxProduct(-8,2,-9,0,-4,3),432);
-is(maxProduct(-3,-2,-1,0,1,2,3),36);
-
-done_testing;
diff --git a/challenge-218/perlboy1967/perl/ch2.pl b/challenge-218/perlboy1967/perl/ch2.pl
deleted file mode 100755
index 757630f319..0000000000
--- a/challenge-218/perlboy1967/perl/ch2.pl
+++ /dev/null
@@ -1,58 +0,0 @@
-#!/bin/perl
-
-=pod
-
-The Weekly Challenge - 217
-- https://theweeklychallenge.org/blog/perl-weekly-challenge-217
-
-Author: Niels 'PerlBoy' van Dijke
-
-Task 2: Matrix Score
-Submitted by: Mohammad S Anwar
-
-You are given a m x n binary matrix i.e. having only 1 and 0.
-
-You are allowed to make as many moves as you want to get the highest score.
-
-|| A move can be either toggling each value in a row or column.
-
-To get the score, convert the each row binary to dec and return the sum.
-
-=cut
-
-use v5.16;
-
-use common::sense;
-
-use List::Util qw(sum);
-
-use Test::More;
-
-sub matrixScore (\@) {
-  my ($ar) = @_;
-  my $nR = @$ar - 1;
-  my $nC = @{$ar->[0]} - 1;
-
-  # First make sure each row has its MSB set
-  for (@$ar) {
-    map { $_ = ++$_ % 2 } @$_ if ($$_[0] == 0);
-  }
-
-  for my $c (1 .. $nC) {
-    my $ones = grep { $ar->[$_][$c] == 1 } (0 .. $nR);
-
-    # Flip bits in column C if number of '1's is smaller than # of rows
-    map { $ar->[$_][$c] = ++$$ar[$_][$c] % 2 } (0 .. $nR) 
-      if ($ones < $nR);
-  }
-
-  return sum(map{oct('0b'.join('',@$_))} @$ar);
-}
-
-
-is(matrixScore(@{[[0,0,1,1],
-                  [1,0,1,0],
-                  [1,1,0,0],
-                 ]}),39);
-
-done_testing;
diff --git a/challenge-218/robert-dicicco/julia/ch-1.jl b/challenge-218/robert-dicicco/julia/ch-1.jl
new file mode 100644
index 0000000000..7157d8e48d
--- /dev/null
+++ b/challenge-218/robert-dicicco/julia/ch-1.jl
@@ -0,0 +1,55 @@
+#!/usr/bin/env julia
+#=
+-----------------------------------------
+AUTHOR: Robert DiCicco
+DATE  : 2023-05-22
+Challenge 218 Maximum Product ( Julia )
+-----------------------------------------
+=#
+using Printf
+using Combinatorics
+
+lists = [[3, 1, 2],[4, 1, 3, 2],[-1, 0, 1, 3, 1],[-8, 2, -9, 0, -4, 3]]
+
+maxthree = []
+
+for lst in lists
+    global maxthree
+    maxval = 0
+    @printf("Input: @list = %s\n", lst)
+    for c in combinations(lst,3)
+        prod = c[1] * c[2] * c[3]
+        if prod > maxval
+            maxval = prod
+            maxthree = sort(c)
+        end
+    end
+    @printf("Output: %d\n",maxval)
+    @printf("%d x %d x %d = %d\n", maxthree[1],maxthree[2],maxthree[3],maxval)
+    println("----------------------")
+end
+
+#=
+-----------------------------------------
+SAMPLE OUTPUT
+julia .\MaxProduct.jl
+
+Input: @list = [3, 1, 2]
+Output: 6
+1 x 2 x 3 = 6
+----------------------
+Input: @list = [4, 1, 3, 2]
+Output: 24
+2 x 3 x 4 = 24
+----------------------
+Input: @list = [-1, 0, 1, 3, 1]
+Output: 3
+1 x 1 x 3 = 3
+----------------------
+Input: @list = [-8, 2, -9, 0, -4, 3]
+Output: 216
+-9 x -8 x 3 = 216
+-----------------------------------------
+=#
+
+
diff --git a/challenge-218/robert-dicicco/perl/ch-1.pl b/challenge-218/robert-dicicco/perl/ch-1.pl
new file mode 100644
index 0000000000..9517f308ba
--- /dev/null
+++ b/challenge-218/robert-dicicco/perl/ch-1.pl
@@ -0,0 +1,59 @@
+#!/usr/bin/env perl
+=begin comment
+-----------------------------------------
+AUTHOR: Robert DiCicco
+DATE  : 2023-05-22
+Challenge 218 Maximum Product ( Perl )
+-----------------------------------------
+=cut
+use strict;
+use warnings;
+use feature 'say';
+use Algorithm::Combinatorics qw(permutations combinations);
+
+my @lists = ([3, 1, 2],[4, 1, 3, 2],[-1, 0, 1, 3, 1],[-8, 2, -9, 0, -4, 3]);
+
+my $maxval = 0;
+
+my $threelist = 0;
+
+for my $lst (@lists) {
+    say "Input: \@list = [@$lst]";
+    my $iter = combinations($lst, 3);
+    while (my $c = $iter->next) {
+            my $threeval = @{$c}[0] * @{$c}[1] * @{$c}[2];
+            if ($threeval > $maxval) {
+                $maxval = $threeval;
+                $threelist = $c;
+            }
+    }
+    say "Output: $maxval";
+    my @sorted = sort(@{$threelist});
+    say "$sorted[0] x $sorted[1] x $sorted[2] = ",$maxval;
+    $maxval = 0;
+    $threelist = 0;
+    say "";
+}
+
+=begin comment
+-----------------------------------------
+SAMPLE OUTPUT
+perl .\MaxProduct.pl
+
+Input: @list = [3 1 2]
+Output: 6
+1 x 2 x 3 = 6
+
+Input: @list = [4 1 3 2]
+Output: 24
+2 x 3 x 4 = 24
+
+Input: @list = [-1 0 1 3 1]
+Output: 3
+1 x 1 x 3 = 3
+
+Input: @list = [-8 2 -9 0 -4 3]
+Output: 216
+-8 x -9 x 3 = 216
+-----------------------------------------
+=cut
diff --git a/challenge-218/robert-dicicco/python/ch-1.py b/challenge-218/robert-dicicco/python/ch-1.py
new file mode 100644
index 0000000000..0cb5363087
--- /dev/null
+++ b/challenge-218/robert-dicicco/python/ch-1.py
@@ -0,0 +1,51 @@
+#!/usr/bin/env python
+
+# -----------------------------------------
+# AUTHOR: Robert DiCicco
+# DATE  : 2023-05-22
+# Challenge 218 Maximum Product ( Python )
+# -----------------------------------------
+
+from itertools import combinations
+
+
+lists = [[3, 1, 2],[4, 1, 3, 2],[-1, 0, 1, 3, 1],[-8, 2, -9, 0, -4, 3]]
+
+maxthree = []
+
+for lst in lists:
+    print("Input: @list = ",lst)
+    maxval = 0
+    maxthree = []
+    for combo in list(combinations(lst,3)):
+        prod = combo[0] * combo[1] * combo[2]
+        if prod > maxval:
+            maxval = prod
+            maxthree = combo
+    print("Output: ",maxval)
+    maxthree = sorted(maxthree)
+    print(maxthree[0]," x ", maxthree[1], " x ", maxthree[2], " = ",maxval,"\n")
+    maxval = 0
+
+# -----------------------------------------
+# SAMPLE OUTPUT
+# python .\MaxProduct.py
+
+# Input: @list =  [3, 1, 2]
+# Output:  6
+# 1  x  2  x  3  =  6
+
+# Input: @list =  [4, 1, 3, 2]
+# Output:  24
+# 2  x  3  x  4  =  24
+
+# Input: @list =  [-1, 0, 1, 3, 1]
+# Output:  3
+# 1  x  1  x  3  =  3
+
+# Input: @list =  [-8, 2, -9, 0, -4, 3]
+# Output:  216
+# -9  x  -8  x  3  =  216
+# -----------------------------------------
+
+
diff --git a/challenge-218/robert-dicicco/raku/ch-1.raku b/challenge-218/robert-dicicco/raku/ch-1.raku
new file mode 100644
index 0000000000..76b980059a
--- /dev/null
+++ b/challenge-218/robert-dicicco/raku/ch-1.raku
@@ -0,0 +1,57 @@
+#!/usr/bin/en raku
+=begin comment
+-----------------------------------------
+AUTHOR: Robert DiCicco
+DATE  : 2023-05-22
+Challenge 218 Maximum Product ( Raku )
+-----------------------------------------
+=end comment
+
+my @lists = ([3, 1, 2],[4, 1, 3, 2],[-1, 0, 1, 3, 1],[-8, 2, -9, 0, -4, 3]);
+
+my $maxval = 0;
+
+my $threelist = 0;
+my @threelist = ();
+
+for (@lists) -> @lst {
+    for @lst.combinations(3) -> @combo {
+        my $threeval = [*] @combo;
+        if $threeval > $maxval {
+            $maxval = $threeval;
+            @threelist = @combo;
+        }
+    }
+    say "Input: \@list = ",@lst;
+    say "Output: ",$maxval;
+    @threelist = @threelist.sort;
+    say @threelist[0], " x ", @threelist.[1], " x ", @threelist[2], " = $maxval";
+    @threelist = ();
+    $maxval = 0;
+    say "";
+}
+
+=begin comment
+-----------------------------------------
+SAMPLE OUTPUT
+
+raku .\MaxProduct.rk
+Input: @list = [3 1 2]
+Output: 6
+1 x 2 x 3 = 6
+
+Input: @list = [4 1 3 2]
+Output: 24
+2 x 3 x 4 = 24
+
+Input: @list = [-1 0 1 3 1]
+Output: 3
+1 x 1 x 3 = 3
+
+Input: @list = [-8 2 -9 0 -4 3]
+Output: 216
+-9 x -8 x 3 = 216
+-----------------------------------------
+=end comment
+
+
diff --git a/challenge-218/robert-dicicco/ruby/ch-1.rb b/challenge-218/robert-dicicco/ruby/ch-1.rb
new file mode 100644
index 0000000000..5bf33e2359
--- /dev/null
+++ b/challenge-218/robert-dicicco/ruby/ch-1.rb
@@ -0,0 +1,56 @@
+#!/usr/bin/env ruby
+=begin
+-----------------------------------------
+AUTHOR: Robert DiCicco
+DATE  : 2023-05-22
+Challenge 218 Maximum Product ( Ruby )
+-----------------------------------------
+=end
+
+lists = [[3, 1, 2],[4, 1, 3, 2],[-1, 0, 1, 3, 1],[-8, 2, -9, 0, -4, 3]]
+
+maxval = 0
+maxthree = []
+
+lists.each do |lst|
+puts("Input: @list = #{lst}")
+    ax = lst.combination(3).to_a.sort
+    ax.each do |c|
+        prod = c[0] * c[1] * c[2]
+        if prod > maxval
+            maxval = prod
+            maxthree = c.sort
+        end
+    end
+    puts("Output: #{maxval}")
+    puts("#{maxthree[0]} x #{maxthree[1]} x #{maxthree[2]} = #{maxval}")
+    maxval = 0
+    maxthree = []
+    puts("")
+end
+
+=begin
+-----------------------------------------
+SAMPLE OUTPUT
+ruby .\MaxProduct.rb
+
+Input: @list = [3, 1, 2]
+Output: 6
+1 x 2 x 3 = 6
+
+Input: @list = [4, 1, 3, 2]
+Output: 24
+2 x 3 x 4 = 24
+
+Input: @list = [-1, 0, 1, 3, 1]
+Output: 3
+1 x 1 x 3 = 3
+
+Input: @list = [-8, 2, -9, 0, -4, 3]
+Output: 216
+-9 x -8 x 3 = 216
+-----------------------------------------
+=end
+
+
+
diff --git a/challenge-218/steven-wilson/perl/ch-01.pl b/challenge-218/steven-wilson/perl/ch-01.pl
deleted file mode 100644
index 29fccf244d..0000000000
--- a/challenge-218/steven-wilson/perl/ch-01.pl
+++ /dev/null
@@ -1,21 +0,0 @@
-#!/usr/bin/env perl
-# You are given a list of 3 or more integers.
-# Write a script to find the 3 integers whose product is the maximum and return it.
-
-use strict;
-use warnings;
-use Test::More;
-use List::Util qw/ product /;
-
-ok( max_product( 3,  1, 2 ) == 6 );
-ok( max_product( 4,  1, 3, 2 ) == 24 );
-ok( max_product( -1, 0, 1, 3, 1 ) == 3 );
-ok( max_product( -8, 2, -9, 0, -4, 3 ) == 216 );
-done_testing();
-
-sub max_product {
-    my @sorted_list = sort { $a <=> $b } @_;
-    my $max_last    = product( @sorted_list[ -3 .. -1 ] );
-    my $max_first   = product( @sorted_list[ 0, 1, -1 ] );
-    $max_first > $max_last ? return $max_first : return $max_last;
-}
diff --git a/challenge-218/steven-wilson/perl/ch-1.pl b/challenge-218/steven-wilson/perl/ch-1.pl
new file mode 100644
index 0000000000..29fccf244d
--- /dev/null
+++ b/challenge-218/steven-wilson/perl/ch-1.pl
@@ -0,0 +1,21 @@
+#!/usr/bin/env perl
+# You are given a list of 3 or more integers.
+# Write a script to find the 3 integers whose product is the maximum and return it.
+
+use strict;
+use warnings;
+use Test::More;
+use List::Util qw/ product /;
+
+ok( max_product( 3,  1, 2 ) == 6 );
+ok( max_product( 4,  1, 3, 2 ) == 24 );
+ok( max_product( -1, 0, 1, 3, 1 ) == 3 );
+ok( max_product( -8, 2, -9, 0, -4, 3 ) == 216 );
+done_testing();
+
+sub max_product {
+    my @sorted_list = sort { $a <=> $b } @_;
+    my $max_last    = product( @sorted_list[ -3 .. -1 ] );
+    my $max_first   = product( @sorted_list[ 0, 1, -1 ] );
+    $max_first > $max_last ? return $max_first : return $max_last;
+}
diff --git a/challenge-218/ziameraj16/java/MaximumProduct.java b/challenge-218/ziameraj16/java/MaximumProduct.java
new file mode 100644
index 0000000000..66c8277c82
--- /dev/null
+++ b/challenge-218/ziameraj16/java/MaximumProduct.java
@@ -0,0 +1,26 @@
+import java.util.*;
+
+public class MaximumProduct {
+
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+        List<Integer> values = Arrays.stream(scanner.nextLine().split(",")).map(Integer::valueOf).toList();
+        int maxProduct = 0;
+        String str = null;
+        int size = values.size();
+        for (int x = 0; x < size - 2; x++) {
+            for (int y = x + 1; y < size - 1; y++) {
+                for (int z = y + 1; z < size; z++) {
+                    Integer first = values.get(x);
+                    Integer second = values.get(y);
+                    Integer third = values.get(z);
+                    if (first * second * third > maxProduct) {
+                        maxProduct = first * second * third;
+                        str = String.format("%s x %s x %s => %s", first, second, third, maxProduct);
+                    }
+                }
+            }
+        }
+        System.out.println(str);
+    }
+}
diff --git a/members.json b/members.json
index 1b2bf6dfa2..4f6c172369 100644
--- a/members.json
+++ b/members.json
@@ -14,7 +14,7 @@
     "alexander-karelas"     : "Alexander Karelas",
     "alexander-pankoff"     : "Alexander Pankoff",
     "andinus"               : "Andinus",
-    "aut0exec"              : "Aut0exec",
+    "aut0exec"              : "Rob Turner",
     "avery-adams"           : "Avery Adams",
     "mathmauney"            : "Alex Mauney",
     "alicia-bielsa"         : "Alicia Bielsa",
diff --git a/stats/pwc-challenge-072.json b/stats/pwc-challenge-072.json
index 7a8050f607..db5e94bc52 100644
--- a/stats/pwc-challenge-072.json
+++ b/stats/pwc-challenge-072.json
@@ -1,228 +1,11 @@
 {
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "enabled" : 1,
-            "format" : "{point.y}"
-         },
-         "borderWidth" : 0
-      }
-   },
-   "title" : {
-      "text" : "The Weekly Challenge - 072"
-   },
-   "xAxis" : {
-      "type" : "category"
-   },
-   "subtitle" : {
-      "text" : "[Champions: 39] Last updated at 2022-04-20 12:40:31 GMT"
+   "chart" : {
+      "type" : "column"
    },
-   "series" : [
-      {
-         "data" : [
-            {
-               "name" : "Adam Russell",
-               "drilldown" : "Adam Russell",
-               "y" : 4
-            },
-            {
-               "name" : "Andrew Shitov",
-               "y" : 4,
-               "drilldown" : "Andrew Shitov"
-            },
-            {
-               "name" : "Arne Sommer",
-               "y" : 5,
-               "drilldown" : "Arne Sommer"
-            },
-            {
-               "name" : "Athanasius",
-               "y" : 4,
-               "drilldown" : "Athanasius"
-            },
-            {
-               "name" : "Ben Davies",
-               "y" : 2,
-               "drilldown" : "Ben Davies"
-            },
-            {
-               "drilldown" : "Bob Lied",
-               "y" : 2,
-               "name" : "Bob Lied"
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Cheok-Yin Fung",
-               "name" : "Cheok-Yin Fung"
-            },
-            {
-               "name" : "Colin Crain",
-               "y" : 5,
-               "drilldown" : "Colin Crain"
-            },
-            {
-               "name" : "Cristina Heredia",
-               "drilldown" : "Cristina Heredia",
-               "y" : 2
-            },
-            {
-               "name" : "Dave Jacoby",
-               "y" : 3,
-               "drilldown" : "Dave Jacoby"
-            },
-            {
-               "name" : "Duncan C. White",
-               "y" : 2,
-               "drilldown" : "Duncan C. White"
-            },
-            {
-               "drilldown" : "E. Choroba",
-               "y" : 2,
-               "name" : "E. Choroba"
-            },
-            {
-               "drilldown" : "Feng Chang",
-               "y" : 1,
-               "name" : "Feng Chang"
-            },
-            {
-               "y" : 5,
-               "drilldown" : "Jaldhar H. Vyas",
-               "name" : "Jaldhar H. Vyas"
-            },
-            {
-               "name" : "Jan Krnavek",
-               "y" : 2,
-               "drilldown" : "Jan Krnavek"
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Jason Messer",
-               "name" : "Jason Messer"
-            },
-            {
-               "name" : "Javier Luque",
-               "drilldown" : "Javier Luque",
-               "y" : 5
-            },
-            {
-               "name" : "Jorg Sommrey",
-               "drilldown" : "Jorg Sommrey",
-               "y" : 2
-            },
-            {
-               "name" : "Lance Wicks",
-               "y" : 2,
-               "drilldown" : "Lance Wicks"
-            },
-            {
-               "y" : 5,
-               "drilldown" : "Laurent Rosenfeld",
-               "name" : "Laurent Rosenfeld"
-            },
-            {
-               "name" : "Luca Ferrari",
-               "drilldown" : "Luca Ferrari",
-               "y" : 4
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Mark Anderson",
-               "name" : "Mark Anderson"
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Markus Holzer",
-               "name" : "Markus Holzer"
-            },
-            {
-               "name" : "Mohammad S Anwar",
-               "drilldown" : "Mohammad S Anwar",
-               "y" : 5
-            },
-            {
-               "name" : "Myoungjin Jeon",
-               "y" : 4,
-               "drilldown" : "Myoungjin Jeon"
-            },
-            {
-               "name" : "Niels van Dijke",
-               "drilldown" : "Niels van Dijke",
-               "y" : 2
-            },
-            {
-               "drilldown" : "Noud Aldenhoven",
-               "y" : 2,
-               "name" : "Noud Aldenhoven"
-            },
-            {
-               "name" : "Paulo Custodio",
-               "drilldown" : "Paulo Custodio",
-               "y" : 2
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Pete Houston",
-               "name" : "Pete Houston"
-            },
-            {
-               "name" : "Roger Bell_West",
-               "y" : 5,
-               "drilldown" : "Roger Bell_West"
-            },
-            {
-               "y" : 3,
-               "drilldown" : "Simon Green",
-               "name" : "Simon Green"
-            },
-            {
-               "name" : "Simon Miner",
-               "drilldown" : "Simon Miner",
-               "y" : 2
-            },
-            {
-               "drilldown" : "Simon Proctor",
-               "y" : 4,
-               "name" : "Simon Proctor"
-            },
-            {
-               "y" : 2,
-               "drilldown" : "Stuart Little",
-               "name" : "Stuart Little"
-            },
-            {
-               "y" : 4,
-               "drilldown" : "Ulrich Rieke",
-               "name" : "Ulrich Rieke"
-            },
-            {
-               "name" : "Walt Mankowski",
-               "y" : 3,
-               "drilldown" : "Walt Mankowski"
-            },
-            {
-               "name" : "Wanderdoc",
-               "drilldown" : "Wanderdoc",
-               "y" : 2
-            },
-            {
-               "name" : "William West",
-               "y" : 1,
-               "drilldown" : "William West"
-            },
-            {
-               "name" : "Yary Hluchan",
-               "drilldown" : "Yary Hluchan",
-               "y" : 2
-            }
-         ],
-         "colorByPoint" : 1,
-         "name" : "The Weekly Challenge - 072"
-      }
-   ],
    "drilldown" : {
       "series" : [
          {
+            "name" : "Adam Russell",
             "data" : [
                [
                   "Perl",
@@ -233,8 +16,7 @@
                   2
                ]
             ],
-            "id" : "Adam Russell",
-            "name" : "Adam Russell"
+            "id" : "Adam Russell"
          },
          {
             "data" : [
@@ -247,11 +29,11 @@
                   2
                ]
             ],
-            "id" : "Andrew Shitov",
-            "name" : "Andrew Shitov"
+            "name" : "Andrew Shitov",
+            "id" : "Andrew Shitov"
          },
          {
-            "id" : "Arne Sommer",
+            "name" : "Arne Sommer",
             "data" : [
                [
                   "Perl",
@@ -266,7 +48,7 @@
                   1
                ]
             ],
-            "name" : "Arne Sommer"
+            "id" : "Arne Sommer"
          },
          {
             "data" : [
@@ -279,41 +61,40 @@
                   2
                ]
             ],
-            "id" : "Athanasius",
-            "name" : "Athanasius"
+            "name" : "Athanasius",
+            "id" : "Athanasius"
          },
          {
+            "id" : "Ben Davies",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "id" : "Ben Davies",
             "name" : "Ben Davies"
          },
          {
-            "id" : "Bob Lied",
+            "name" : "Bob Lied",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Bob Lied"
+            "id" : "Bob Lied"
          },
          {
-            "name" : "Cheok-Yin Fung",
             "id" : "Cheok-Yin Fung",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "name" : "Cheok-Yin Fung"
          },
          {
-            "id" : "Colin Crain",
             "data" : [
                [
                   "Perl",
@@ -328,19 +109,22 @@
                   1
                ]
             ],
-            "name" : "Colin Crain"
+            "name" : "Colin Crain",
+            "id" : "Colin Crain"
          },
          {
-            "id" : "Cristina Heredia",
+            "name" : "Cristina Heredia",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Cristina Heredia"
+            "id" : "Cristina Heredia"
          },
          {
+            "id" : "Dave Jacoby",
+            "name" : "Dave Jacoby",
             "data" : [
                [
                   "Perl",
@@ -350,29 +134,27 @@
                   "Blog",
                   1
                ]
-            ],
-            "id" : "Dave Jacoby",
-            "name" : "Dave Jacoby"
+            ]
          },
          {
             "id" : "Duncan C. White",
+            "name" : "Duncan C. White",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "name" : "Duncan C. White"
+            ]
          },
          {
-            "name" : "E. Choroba",
-            "id" : "E. Choroba",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "name" : "E. Choroba",
+            "id" : "E. Choroba"
          },
          {
             "data" : [
@@ -381,11 +163,12 @@
                   1
                ]
             ],
-            "id" : "Feng Chang",
-            "name" : "Feng Chang"
+            "name" : "Feng Chang",
+            "id" : "Feng Chang"
          },
          {
             "id" : "Jaldhar H. Vyas",
+            "name" : "Jaldhar H. Vyas",
             "data" : [
                [
                   "Perl",
@@ -399,8 +182,7 @@
                   "Blog",
                   1
                ]
-            ],
-            "name" : "Jaldhar H. Vyas"
+            ]
          },
          {
             "id" : "Jan Krnavek",
@@ -413,18 +195,17 @@
             "name" : "Jan Krnavek"
          },
          {
-            "name" : "Jason Messer",
+            "id" : "Jason Messer",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "id" : "Jason Messer"
+            "name" : "Jason Messer"
          },
          {
             "name" : "Javier Luque",
-            "id" : "Javier Luque",
             "data" : [
                [
                   "Perl",
@@ -438,17 +219,18 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "Javier Luque"
          },
          {
-            "id" : "Jorg Sommrey",
+            "name" : "Jorg Sommrey",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Jorg Sommrey"
+            "id" : "Jorg Sommrey"
          },
          {
             "id" : "Lance Wicks",
@@ -465,6 +247,7 @@
             "name" : "Lance Wicks"
          },
          {
+            "id" : "Laurent Rosenfeld",
             "data" : [
                [
                   "Perl",
@@ -479,11 +262,20 @@
                   1
                ]
             ],
-            "id" : "Laurent Rosenfeld",
             "name" : "Laurent Rosenfeld"
          },
          {
-            "name" : "Luca Ferrari",
+            "id" : "Lubos Kolouch",
+            "name" : "Lubos Kolouch",
+            "data" : [
+               [
+                  "Perl",
+                  2
+               ]
+            ]
+         },
+         {
+            "id" : "Luca Ferrari",
             "data" : [
                [
                   "Raku",
@@ -494,17 +286,17 @@
                   2
                ]
             ],
-            "id" : "Luca Ferrari"
+            "name" : "Luca Ferrari"
          },
          {
-            "id" : "Mark Anderson",
+            "name" : "Mark Anderson",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "name" : "Mark Anderson"
+            "id" : "Mark Anderson"
          },
          {
             "id" : "Markus Holzer",
@@ -517,7 +309,6 @@
             "name" : "Markus Holzer"
          },
          {
-            "name" : "Mohammad S Anwar",
             "data" : [
                [
                   "Perl",
@@ -532,9 +323,11 @@
                   1
                ]
             ],
+            "name" : "Mohammad S Anwar",
             "id" : "Mohammad S Anwar"
          },
          {
+            "id" : "Myoungjin Jeon",
             "data" : [
                [
                   "Perl",
@@ -545,51 +338,49 @@
                   2
                ]
             ],
-            "id" : "Myoungjin Jeon",
             "name" : "Myoungjin Jeon"
          },
          {
-            "id" : "Niels van Dijke",
             "data" : [
                [
                   "Perl",
                   2
                ]
             ],
-            "name" : "Niels van Dijke"
+            "name" : "Niels van Dijke",
+            "id" : "Niels van Dijke"
          },
          {
+            "id" : "Noud Aldenhoven",
             "name" : "Noud Aldenhoven",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ],
-            "id" : "Noud Aldenhoven"
+            ]
          },
          {
-            "name" : "Paulo Custodio",
             "id" : "Paulo Custodio",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "name" : "Paulo Custodio"
          },
          {
+            "id" : "Pete Houston",
             "name" : "Pete Houston",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "Pete Houston"
+            ]
          },
          {
-            "name" : "Roger Bell_West",
             "data" : [
                [
                   "Perl",
@@ -604,10 +395,11 @@
                   1
                ]
             ],
+            "name" : "Roger Bell_West",
             "id" : "Roger Bell_West"
          },
          {
-            "id" : "Simon Green",
+            "name" : "Simon Green",
             "data" : [
                [
                   "Perl",
@@ -618,21 +410,19 @@
                   1
                ]
             ],
-            "name" : "Simon Green"
+            "id" : "Simon Green"
          },
          {
+            "id" : "Simon Miner",
             "name" : "Simon Miner",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "Simon Miner"
+            ]
          },
          {
-            "name" : "Simon Proctor",
-            "id" : "Simon Proctor",
             "data" : [
                [
                   "Raku",
@@ -642,20 +432,21 @@
                   "Blog",
                   2
                ]
-            ]
+            ],
+            "name" : "Simon Proctor",
+            "id" : "Simon Proctor"
          },
          {
-            "id" : "Stuart Little",
+            "name" : "Stuart Little",
             "data" : [
                [
                   "Raku",
                   2
                ]
             ],
-            "name" : "Stuart Little"
+            "id" : "Stuart Little"
          },
          {
-            "name" : "Ulrich Rieke",
             "id" : "Ulrich Rieke",
             "data" : [
                [
@@ -666,10 +457,10 @@
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "name" : "Ulrich Rieke"
          },
          {
-            "id" : "Walt Mankowski",
             "data" : [
                [
                   "Perl",
@@ -680,30 +471,30 @@
                   1
                ]
             ],
-            "name" : "Walt Mankowski"
+            "name" : "Walt Mankowski",
+            "id" : "Walt Mankowski"
          },
          {
+            "id" : "Wanderdoc",
+            "name" : "Wanderdoc",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "Wanderdoc",
-            "name" : "Wanderdoc"
+            ]
          },
          {
-            "name" : "William West",
             "id" : "William West",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ]
+            ],
+            "name" : "William West"
          },
          {
-            "id" : "Yary Hluchan",
             "data" : [
                [
                   "Perl",
@@ -714,24 +505,248 @@
                   1
                ]
             ],
-            "name" : "Yary Hluchan"
+            "name" : "Yary Hluchan",
+            "id" : "Yary Hluchan"
          }
       ]
    },
+   "xAxis" : {
+      "type" : "category"
+   },
+   "legend" : {
+      "enabled" : 0
+   },
+   "tooltip" : {
+      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>",
+      "followPointer" : 1,
+      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>"
+   },
+   "subtitle" : {
+      "text" : "[Champions: 40] Last updated at 2023-05-23 18:50:39 GMT"
+   },
+   "series" : [
+      {
+         "name" : "The Weekly Challenge - 072",
+         "data" : [
+            {
+               "name" : "Adam Russell",
+               "y" : 4,
+               "drilldown" : "Adam Russell"
+            },
+            {
+               "name" : "Andrew Shitov",
+               "drilldown" : "Andrew Shitov",
+               "y" : 4
+            },
+            {
+               "drilldown" : "Arne Sommer",
+               "y" : 5,
+               "name" : "Arne Sommer"
+            },
+            {
+               "name" : "Athanasius",
+               "drilldown" : "Athanasius",
+               "y" : 4
+            },
+            {
+               "drilldown" : "Ben Davies",
+               "y" : 2,
+               "name" : "Ben Davies"
+            },
+            {
+               "drilldown" : "Bob Lied",
+               "y" : 2,
+               "name" : "Bob Lied"
+            },
+            {
+               "name" : "Cheok-Yin Fung",
+               "drilldown" : "Cheok-Yin Fung",
+               "y" : 2
+            },
+            {
+               "name" : "Colin Crain",
+               "drilldown" : "Colin Crain",
+               "y" : 5
+            },
+            {
+               "name" : "Cristina Heredia",
+               "y" : 2,
+               "drilldown" : "Cristina Heredia"
+            },
+            {
+               "y" : 3,
+               "drilldown" : "Dave Jacoby",
+               "name" : "Dave Jacoby"
+            },
+            {
+               "drilldown" : "Duncan C. White",
+               "y" : 2,
+               "name" : "Duncan C. White"
+            },
+            {
+               "y" : 2,
+               "drilldown" : "E. Choroba",
+               "name" : "E. Choroba"
+            },
+            {
+               "name" : "Feng Chang",
+               "drilldown" : "Feng Chang",
+               "y" : 1
+            },
+            {
+               "drilldown" : "Jaldhar H. Vyas",
+               "y" : 5,
+               "name" : "Jaldhar H. Vyas"
+            },
+            {
+               "drilldown" : "Jan Krnavek",
+               "y" : 2,
+               "name" : "Jan Krnavek"
+            },
+            {
+               "drilldown" : "Jason Messer",
+               "y" : 2,
+               "name" : "Jason Messer"
+            },
+            {
+               "y" : 5,
+               "drilldown" : "Javier Luque",
+               "name" : "Javier Luque"
+            },
+            {
+               "y" : 2,
+               "drilldown" : "Jorg Sommrey",
+               "name" : "Jorg Sommrey"
+            },
+            {
+               "drilldown" : "Lance Wicks",
+               "y" : 2,
+               "name" : "Lance Wicks"
+            },
+            {
+               "y" : 5,
+               "drilldown" : "Laurent Rosenfeld",
+               "name" : "Laurent Rosenfeld"
+            },
+            {
+               "name" : "Lubos Kolouch",
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 }
diff --git a/stats/pwc-challenge-217.json b/stats/pwc-challenge-217.json
new file mode 100644
index 0000000000..7618299894
--- /dev/null
+++ b/stats/pwc-challenge-217.json
@@ -0,0 +1,714 @@
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+                  "Perl",
+                  2
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+               [
+                  "Blog",
+                  1
+               ]
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+         },
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+            "data" : [
+               [
+                  "Perl",
+                  2
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+               [
+                  "Blog",
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+               ]
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+            "id" : "Thomas Kohler"
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+                  2
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+            "id" : "Ulrich Rieke"
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+                  2
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+               [
+                  "Blog",
+                  1
+               ]
+            ],
+            "name" : "W. Luis Mochan"
+         }
+      ]
+   },
+   "subtitle" : {
+      "text" : "[Champions: 38] Last updated at 2023-05-23 17:43:31 GMT"
+   },
+   "plotOptions" : {
+      "series" : {
+         "dataLabels" : {
+            "format" : "{point.y}",
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+   },
+   "chart" : {
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+   "title" : {
+      "text" : "The Weekly Challenge - 217"
+   }
+}
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 19bad6d27f..d87c81413b 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,4 +1,15 @@
 {
+   "yAxis" : {
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+   "title" : {
+      "text" : "The Weekly Challenge - 218"
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    "plotOptions" : {
       "series" : {
          "borderWidth" : 0,
@@ -8,141 +19,98 @@
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       }
    },
+   "subtitle" : {
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+   },
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       "type" : "category"
    },
+   "tooltip" : {
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