early bird for week 111

3 files changed, 86 insertions, 1 deletions

diff --git a/challenge-110/cheok-yin-fung/java/TransposeFile.java b/challenge-110/cheok-yin-fung/java/TransposeFile.java
index 438d070b47..cbb9182f22 100644
--- a/challenge-110/cheok-yin-fung/java/TransposeFile.java
+++ b/challenge-110/cheok-yin-fung/java/TransposeFile.java
@@ -53,7 +53,7 @@ public class TransposeFile
             System.out.println(e.getMessage());
             System.exit(0);
         } catch (IndexOutOfBoundsException e) {
-            System.out.println("Usage: java Transpose [CSV file]");
+            System.out.println("Usage: java TransposeFile [CSV file]");
             System.exit(0);
         } catch (Exception e) {
             System.out.println("Error(s) in input file.");
diff --git a/challenge-111/cheok-yin-fung/perl/ch-1.pl b/challenge-111/cheok-yin-fung/perl/ch-1.pl
new file mode 100644
index 0000000000..0797e1229d
--- /dev/null
+++ b/challenge-111/cheok-yin-fung/perl/ch-1.pl
@@ -0,0 +1,34 @@
+#!/usr/bin/perl
+# The Weekly Challenge 111
+# Task 1 Search  Matrix
+use strict;
+use warnings;
+
+my $matrix=[[  1,  2,  3,  5,  7 ],
+            [  9, 11, 15, 19, 20 ],
+            [ 23, 24, 25, 29, 31 ],
+            [ 32, 33, 39, 40, 42 ],
+            [ 45, 47, 48, 49, 50 ]];
+
+my $target = $ARGV[0];
+
+my @list25;
+push @list25, $_->@* foreach (@{$matrix});
+
+my @my_seq = (12,6,3,2,1,1);
+my $h = shift @my_seq;
+
+for (my $i=0; $i < scalar @my_seq ;$i++) {
+    if ($target > $list25[$h]) {
+        $h += $my_seq[$i];
+    } elsif ($target < $list25[$h]) {
+        $h -= $my_seq[$i];
+    } elsif ($target == $list25[$h]) {
+        print "1\n";
+        exit;
+    }
+}
+
+print "0\n";
+
+
diff --git a/challenge-111/cheok-yin-fung/perl/ch-2.pl b/challenge-111/cheok-yin-fung/perl/ch-2.pl
new file mode 100644
index 0000000000..5b1bf68d49
--- /dev/null
+++ b/challenge-111/cheok-yin-fung/perl/ch-2.pl
@@ -0,0 +1,51 @@
+#!/usr/bin/perl
+# The Weekly Challenge 111
+# Ordered Letters
+# Default Word List: 
+# http://www-personal.umich.edu/~jlawler/wordlist.html
+use strict;
+use warnings;
+
+my $dictfile;
+
+if ($ARGV[0]) {
+    $dictfile = $ARGV[0];
+} 
+else {
+    $dictfile = "word_list";
+}
+
+open DICT, "<", $dictfile 
+        or die "no such text file for the dictionary: $dictfile";
+
+my @max_club;
+my $max_len = 1;
+
+foreach my $w (<DICT>) { 
+    chomp($w);
+    $w =~ s/\r//g;
+    if (length $w >= $max_len) {  #only test those long words
+        my $w_ord = join "" , sort(split //, $w);
+        if ($w eq $w_ord) {
+            if ((length $w) > $max_len) {
+                update_max($w);
+            } else {
+                push @max_club, $w;
+            }
+        }       
+    }
+}
+
+print join "\n", @max_club;
+print "\n";
+
+sub update_max {
+    @max_club = ($_[0]);
+    $max_len = length $_[0];
+}
+
+# result: aegilops, with length = 9
+
+# for most common 1000 English words:
+# accept, almost, effort,  with length = 7
+