2 files changed, 81 insertions, 0 deletions
diff --git a/challenge-195/solathian/perl/ch-1.pl b/challenge-195/solathian/perl/ch-1.pl
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+++ b/challenge-195/solathian/perl/ch-1.pl
@@ -0,0 +1,30 @@
+#!usr/bin/perl
+use v5.32;
+use warnings;
+
+use feature 'signatures';
+no  warnings 'experimental';    # signatures, smartmatch
+
+# Challange 195 - 1 - Special Integers
+
+# You are given a positive integer, $n > 0.
+# Write a script to print the count of all special integers between 1 and $n.
+# An integer is special when all of its digits are unique.
+
+specialInt(15); #  Output: 14 as except 11 all other integers between 1 and 15 are spcial.
+specialInt(35); #  Output: 32 as except 11, 22, 33 all others are special.
+
+
+sub specialInt($number)
+{
+    my $count;
+    
+    for(my $i = 1; $i <= $number; $i++)
+    {
+        next    if( join('', sort( split('', $i))) =~ /00|11|22|33|44|55|66|77|88|99/);
+
+        $count++;
+    }
+    
+    say $count;
+}
+\ No newline at end of file
diff --git a/challenge-195/solathian/perl/ch-2.pl b/challenge-195/solathian/perl/ch-2.pl
new file mode 100644
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+++ b/challenge-195/solathian/perl/ch-2.pl
@@ -0,0 +1,51 @@
+#!usr/bin/perl
+use v5.32;
+use warnings;
+
+use List::Util 'max';
+
+use feature 'signatures';
+no  warnings 'experimental';    # signatures, smartmatch
+
+# Challange 195 - 2 - Most Frequent Even
+
+# You are given a list of numbers, @list.
+# Write a script to find most frequent even numbers in the list. 
+# In case you get more than one even numbers then return the smallest even integer. For all other case, return -1.
+
+
+# mostFreqEven((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.
+
+# mostFreqEven((1,3,5,7));
+# Output: -1 since no even numbers found in the list
+
+# mostFreqEven((1,1,2,6,2));
+# Output: 2 as there are only 2 even numbers 2 and 6 and of those 2 appears the most.
+
+
+
+sub mostFreqEven(@list)
+{
+
+    my @even = grep { $_ % 2 == 0 } @list;
+    if( @even == 0)
+    {
+        say -1;
+        return;
+    }
+    
+    my $string = join('', @even);
+    my @array = ($string =~ tr/0/0/, $string =~ tr/2/2/, $string =~ tr/4/4/, $string =~ tr/6/6/, $string =~ tr/8/8/);
+
+
+    for(my $i = 0; $i < @array; $i++)
+    {
+        if($array[$i] == max(@array))
+        {
+            say $i*2;
+            last;
+        }
+    }
+    
+} 
+\ No newline at end of file