- Added solutions by Robert DiCicco.

3 files changed, 137 insertions, 0 deletions

diff --git a/challenge-175/robert-dicicco/perl/ch-1.pl b/challenge-175/robert-dicicco/perl/ch-1.pl
new file mode 100644
index 0000000000..c50b107754
--- /dev/null
+++ b/challenge-175/robert-dicicco/perl/ch-1.pl
@@ -0,0 +1,63 @@
+#!perl.exe
+
+use strict;
+use warnings;
+use DateTime;
+
+# AUTHOR: Robert DiCicco
+# DATE: 2022-07-25
+# Challenge 175 Last Sunday ( Perl )
+
+my @molen = qw( 31 28 31 30  31 30 31 31 30 31 30 31);
+
+sub CreateDateTime {                # create a Date object for year and month
+  my $y = shift;
+  my $m = shift;
+
+  my $dt = DateTime->last_day_of_month(year => $y, month => $m);
+
+  return $dt;
+}
+
+sub CheckLeapYear {                 # Adjust February if leap year
+  my $dt = shift;
+
+  if($dt->is_leap_year){
+
+      $molen[1] = 29;
+
+  }
+}
+
+sub GetLastSunday {                 # back up until we land on Sunday
+    my $dt = shift;
+
+    my $dow = $dt->day_of_week;
+
+    if($dow != 7 ){
+
+      $dt->subtract(days=>$dow);
+
+    }
+
+    return $dt;
+
+}
+
+my $count = 1;
+
+my $year = $ARGV[0];
+
+while( $count <= 12){
+
+  my $dt = CreateDateTime($year, $count);
+
+  CheckLeapYear($dt);
+
+  $dt = GetLastSunday($dt);
+
+  print($dt->ymd . "\n");
+
+  $count++;
+
+}
diff --git a/challenge-175/robert-dicicco/raku/ch-1.raku b/challenge-175/robert-dicicco/raku/ch-1.raku
new file mode 100644
index 0000000000..15454479c7
--- /dev/null
+++ b/challenge-175/robert-dicicco/raku/ch-1.raku
@@ -0,0 +1,39 @@
+use v6;
+
+# AUTHOR: Robert DiCicco
+# DATE: 2022-07-25
+# Challenge 175 Last Sunday ( Raku )
+
+sub CreateDateTime ( $y, $m ) {                # create a Date object for year and month
+  my $dt = Date.new($y, $m, 1 );
+
+  return $dt;
+}
+
+sub GetLastSunday($dt) {
+  my $lastdt = $dt.last-date-in-month;        # Get last date and its dow
+
+  my $dow = ($lastdt).day-of-week;
+
+  if $dow == 7 {                               # if not 7, back up until day = 0 (7)
+
+    print("$lastdt\n");
+
+  } else {
+
+    say Date.new($lastdt).earlier(  ( year => 0, month => 0, day => $dow ) );
+
+  }
+
+}
+
+sub MAIN( Int $year = 2022) {              # In no year entered, default to 2022
+
+  for (1..12) -> $m {                      # for each month
+
+    my $dt = CreateDateTime($year, $m);
+
+    GetLastSunday($dt);
+
+  }
+}
diff --git a/challenge-175/robert-dicicco/ruby/ch-1.rb b/challenge-175/robert-dicicco/ruby/ch-1.rb
new file mode 100644
index 0000000000..152cb1d287
--- /dev/null
+++ b/challenge-175/robert-dicicco/ruby/ch-1.rb
@@ -0,0 +1,35 @@
+#ruby.exe
+
+require 'date'
+
+# AUTHOR: Robert DiCiccco
+# DATE: 2022-07-25
+# Challenge 175 Last Sunday ( Ruby )
+
+def CreateDateObject( y, m)
+
+  td = Date.new(y,m,1).next_month.prev_day
+
+  return td
+
+end
+
+year = ARGV[0].to_i
+
+for m in 1..12 do
+
+  td = CreateDateObject(year,m)
+
+  wd = td.wday
+
+  if wd != 7
+
+    puts (td - wd).to_s
+
+  else
+
+    puts td
+
+  end
+
+end