7 files changed, 119 insertions, 1 deletions

diff --git a/challenge-248/paulo-custodio/perl/ch-1.pl b/challenge-248/paulo-custodio/perl/ch-1.pl
index b99dce5818..021e65777a 100644
--- a/challenge-248/paulo-custodio/perl/ch-1.pl
+++ b/challenge-248/paulo-custodio/perl/ch-1.pl
@@ -7,7 +7,7 @@
 #
 # You are given a string and a character in the given string.
 #
-# Write a script to return an array of integers of size same as length of 
+# Write a script to return an array of integers of size same as length of
 # the given string such that:
 #
 # distance[i] is the distance from index i to the closest occurence of
diff --git a/challenge-284/paulo-custodio/Makefile b/challenge-284/paulo-custodio/Makefile
new file mode 100644
index 0000000000..c3c762d746
--- /dev/null
+++ b/challenge-284/paulo-custodio/Makefile
@@ -0,0 +1,2 @@
+all:
+	perl ../../challenge-001/paulo-custodio/test.pl
diff --git a/challenge-284/paulo-custodio/README b/challenge-284/paulo-custodio/README
new file mode 100644
index 0000000000..87dc0b2fbd
--- /dev/null
+++ b/challenge-284/paulo-custodio/README
@@ -0,0 +1 @@
+Solution by Paulo Custodio
diff --git a/challenge-284/paulo-custodio/perl/ch-1.pl b/challenge-284/paulo-custodio/perl/ch-1.pl
new file mode 100644
index 0000000000..09f0564364
--- /dev/null
+++ b/challenge-284/paulo-custodio/perl/ch-1.pl
@@ -0,0 +1,39 @@
+#!/usr/bin/env perl
+
+# Challenge 284
+#
+# Task 1: Lucky Integer
+# Submitted by: Mohammad Sajid Anwar
+#
+# You are given an array of integers, @ints.
+#
+# Write a script to find the lucky integer if found otherwise return -1. If
+# there are more than one then return the largest.
+#
+#     A lucky integer is an integer that has a frequency in the array equal to
+#     its value.
+#
+# Example 1
+#
+# Input: @ints = (2, 2, 3, 4)
+# Output: 2
+#
+# Example 2
+#
+# Input: @ints = (1, 2, 2, 3, 3, 3)
+# Output: 3
+#
+# Example 3
+#
+# Input: @ints = (1, 1, 1, 3)
+# Output: -1
+
+use Modern::Perl;
+
+my @ints = @ARGV;
+my %count;
+$count{$_}++ for @ints;
+my @lucky =
+        sort {$b <=> $a}
+        grep {$_ == $count{$_}} @ints;
+say !@lucky ? -1 : $lucky[0];
diff --git a/challenge-284/paulo-custodio/perl/ch-2.pl b/challenge-284/paulo-custodio/perl/ch-2.pl
new file mode 100644
index 0000000000..6bb9662a88
--- /dev/null
+++ b/challenge-284/paulo-custodio/perl/ch-2.pl
@@ -0,0 +1,46 @@
+#!/usr/bin/env perl
+
+# Challenge 284
+#
+# Task 2: Relative Sort
+# Submitted by: Mohammad Sajid Anwar
+#
+# You are given two list of integers, @list1 and @list2. The elements in the
+# @list2 are distinct and also in the @list1.
+#
+# Write a script to sort the elements in the @list1 such that the relative
+# order of items in @list1 is same as in the @list2. Elements that is missing
+# in @list2 should be placed at the end of @list1 in ascending order.
+# Example 1
+#
+# Input: @list1 = (2, 3, 9, 3, 1, 4, 6, 7, 2, 8, 5)
+#        @list2 = (2, 1, 4, 3, 5, 6)
+# Ouput: (2, 2, 1, 4, 3, 3, 5, 6, 7, 8, 9)
+#
+# Example 2
+#
+# Input: @list1 = (3, 3, 4, 6, 2, 4, 2, 1, 3)
+#        @list2 = (1, 3, 2)
+# Ouput: (1, 3, 3, 3, 2, 2, 4, 4, 6)
+#
+# Example 3
+#
+# Input: @list1 = (3, 0, 5, 0, 2, 1, 4, 1, 1)
+#        @list2 = (1, 0, 3, 2)
+# Ouput: (1, 1, 1, 0, 0, 3, 2, 4, 5)
+
+use Modern::Perl;
+my $input = "@ARGV";
+my($list1, $list2) = split /,/, $input;
+my @list1 = split ' ', $list1;
+my @list2 = split ' ', $list2;
+
+my @output;
+while (@list2) {
+    my $n = shift @list2;
+    push @output, grep {$_ == $n} @list1;
+    @list1 = grep {$_ != $n} @list1;
+}
+push @output, sort {$a <=> $b} @list1;
+
+say "@output";
diff --git a/challenge-284/paulo-custodio/t/test-1.yaml b/challenge-284/paulo-custodio/t/test-1.yaml
new file mode 100644
index 0000000000..5feba9c238
--- /dev/null
+++ b/challenge-284/paulo-custodio/t/test-1.yaml
@@ -0,0 +1,15 @@
+- setup:
+  cleanup:
+  args:     2 2 3 4
+  input:
+  output:   2
+- setup:
+  cleanup:
+  args:     1 2 2 3 3 3
+  input:
+  output:   3
+- setup:
+  cleanup:
+  args:     1 1 1 3
+  input:
+  output:   -1
diff --git a/challenge-284/paulo-custodio/t/test-2.yaml b/challenge-284/paulo-custodio/t/test-2.yaml
new file mode 100644
index 0000000000..f4d2db7f63
--- /dev/null
+++ b/challenge-284/paulo-custodio/t/test-2.yaml
@@ -0,0 +1,15 @@
+- setup:
+  cleanup:
+  args:     2 3 9 3 1 4 6 7 2 8 5 , 2 1 4 3 5 6
+  input:
+  output:   2 2 1 4 3 3 5 6 7 8 9
+- setup:
+  cleanup:
+  args:     3 3 4 6 2 4 2 1 3 , 1 3 2
+  input:
+  output:   1 3 3 3 2 2 4 4 6
+- setup:
+  cleanup:
+  args:     3 0 5 0 2 1 4 1 1 , 1 0 3 2
+  input:
+  output:   1 1 1 0 0 3 2 4 5