3 files changed, 68 insertions, 0 deletions
diff --git a/challenge-195/pip/README b/challenge-195/pip/README
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+++ b/challenge-195/pip/README
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+Solutions by Pip Stuart.
diff --git a/challenge-195/pip/perl/ch-1.pl b/challenge-195/pip/perl/ch-1.pl
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+++ b/challenge-195/pip/perl/ch-1.pl
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+#!/usr/bin/perl
+# Perl-Weekly-Challenge Week-195 Task-1
+# Take $n && count all special ints up to it.
+# Special integers have all unique digits.
+# Example 1:
+#   In-put: $n = 15
+#   Output: 14 as except 11 all other integers between 1 and 15 are spcial.
+# Example 2:
+#   In-put: $n = 35
+#   Output: 32 as except 11, 22, 33 all others are special.
+use strict;use warnings;use utf8;use v5.10;my $d8VS='MCDL6MCD';
+sub Spcl {my $n = shift(@_) || 0;my $c=0;my $o='';my %s=();my $j;
+  for(1..$n){my $f=0;my @d = split(//, "$_");my %h=();
+    for my $g (@d){if(exists($h{$g})){$s{$_}=1;$f=1;}$h{$g}=1;}
+    next if($f);$c++;
+  } $j=join(', ',sort {$a <=> $b} keys(%s)) if(keys(%s));$j=~ s/(.*) /$1 and / if(keys(%s));
+  $o="$c";$o.=" as except $j " if(keys(%s));$o.='all ';$o.='other ' if(keys(%s));$o.="integers between 1 and $n are special.";say $o;}
+if   (@ARGV){
+  for(@ARGV){Spcl($_);}}
+else{
+  Spcl( 15);
+  Spcl( 35);
+  Spcl(255);}
diff --git a/challenge-195/pip/perl/ch-2.pl b/challenge-195/pip/perl/ch-2.pl
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+++ b/challenge-195/pip/perl/ch-2.pl
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+#!/usr/bin/perl
+# Perl-Weekly-Challenge Week-195 Task-2
+# Write script to find most frequent even numbers in list. In case you get more than one even number return smallest even integer. 4 all other case, return -1.
+# Example 1:
+#   In-put: @list = (1,1,2,6,2)
+#   Output: 2 as there are only 2 even numbers 2 and 6 and of those 2 appears the most.
+# Example 2:
+#   In-put: @list = (1,3,5,7)
+#   Output: -1 since no even numbers found in the list
+# Example 3:
+#   In-put: @list = (6,4,4,6,1)
+#   Output: 4 since there are only two even numbers 4 and 6. They both appears the equal number of times, so pick the smallest.
+use strict;use warnings;use utf8;use v5.10;my $d8VS='MCDL5pip';
+sub Most {my %freq=();my $outp='';my $mfen=0;my $maxv=-1;my %maxe=();my $jevz='';my $jmez='';for(@_){
+    if($_ % 2 == 0){
+      if(exists($freq{$_})){$freq{$_}++;}
+      else{     $freq{$_}=1;} } }
+  if(keys(%freq)){
+    my @valz=sort {$a <=> $b} values(%freq);
+    for(@valz){$maxv=$_;
+      for my $fkey (keys(%freq)){
+        if($freq{$fkey} == $_){
+          $maxe{$fkey}=1 if($maxv > 0 && $maxv == $valz[-1]); } } }
+    if  (scalar(keys(%maxe))){     $jevz=join(', ',sort {$a <=> $b} keys(%freq));
+      if(scalar(keys(%freq)) <= 2){$jevz=join(' ' ,sort {$a <=> $b} keys(%freq));}
+      $jmez=                             join(', ',sort {$a <=> $b} keys(%maxe));
+      if(scalar(keys(%maxe)) <= 2){$jmez=join(' ' ,sort {$a <=> $b} keys(%maxe));}
+      $jevz=~ s/(.*) /$1 and /;
+      $jmez=~ s/(.*) /$1 and /;}
+      if(scalar(keys(%maxe)) == 1){$mfen=(keys(%maxe))[0];
+      }else{      $mfen=(sort {$a <=> $b} keys(%maxe))[0];} 
+    $outp=sprintf("$mfen since there are only %d even numbers: $jevz",scalar(keys(%freq)));
+    if  (scalar(keys(%maxe)) == 1){$outp.=" and of those $mfen appears the most.";}
+    else{$outp.=". $jmez appear an equal most number of times, so pick the smallest.";}}
+  else{  $outp='-1 since no even numbers found in the list.';}
+  say $outp;}
+if(@ARGV){
+  Most(@ARGV);}
+else{
+  Most(1,1,2,6,2);
+  Most(1,3,5,7  );
+  Most(6,4,4,6,1);
+  Most(2,4,4,4,6,6,6,8,8);
+  Most(2,4,4,6,6,6,8,8,8);}