Add Perl solution to challenge 231

5 files changed, 97 insertions, 0 deletions

diff --git a/challenge-231/paulo-custodio/Makefile b/challenge-231/paulo-custodio/Makefile
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+++ b/challenge-231/paulo-custodio/Makefile
@@ -0,0 +1,2 @@
+all:
+	perl ../../challenge-001/paulo-custodio/test.pl
diff --git a/challenge-231/paulo-custodio/perl/ch-1.pl b/challenge-231/paulo-custodio/perl/ch-1.pl
new file mode 100644
index 0000000000..29ac80dbe6
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+++ b/challenge-231/paulo-custodio/perl/ch-1.pl
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+#!/usr/bin/env perl
+
+# Challenge 231
+#
+# Task 1: Min Max
+# Submitted by: Mohammad S Anwar
+# You are given an array of distinct integers.
+#
+# Write a script to find all elements that is neither minimum nor maximum.
+# Return -1 if you can’t.
+#
+# Example 1
+# Input: @ints = (3, 2, 1, 4)
+# Output: (3, 2)
+#
+# The minimum is 1 and maximum is 4 in the given array. So (3, 2) is neither
+# min nor max.
+# Example 2
+# Input: @ints = (3, 1)
+# Output: -1
+# Example 3
+# Input: @ints = (2, 1, 3)
+# Output: (2)
+#
+# The minimum is 1 and maximum is 3 in the given array. So 2 is neither
+# min nor max.
+
+use Modern::Perl;
+use List::Util 'min', 'max';
+
+say join " ", min_max(@ARGV);
+
+sub min_max {
+    my(@n) = @_;
+    my $min = min(@n);
+    my $max = max(@n);
+    my @ret = grep {$_ != $min && $_ != $max} @n;
+    return @ret ? @ret : -1;
+}
+
diff --git a/challenge-231/paulo-custodio/perl/ch-2.pl b/challenge-231/paulo-custodio/perl/ch-2.pl
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+++ b/challenge-231/paulo-custodio/perl/ch-2.pl
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+#!/usr/bin/env perl
+
+# Challenge 231
+#
+# Task 2: Senior Citizens
+# Submitted by: Mohammad S Anwar
+# You are given a list of passenger details in the form “9999999999A1122”, where
+# 9 denotes the phone number, A the sex, 1 the age and 2 the seat number.
+#
+# Write a script to return the count of all senior citizens (age >= 60).
+#
+# Example 1
+# Input: @list = ("7868190130M7522","5303914400F9211","9273338290F4010")
+# Ouput: 2
+#
+# The age of the passengers in the given list are 75, 92 and 40.
+# So we have only 2 senior citizens.
+# Example 2
+# Input: @list = ("1313579440F2036","2921522980M5644")
+# Ouput: 0
+
+use Modern::Perl;
+
+say scalar grep {age($_) >= 60} @ARGV;
+
+sub age {
+    my($record) = @_;
+    my $age = 0+substr($record, 11, 2);
+    return $age;
+}
diff --git a/challenge-231/paulo-custodio/t/test-1.yaml b/challenge-231/paulo-custodio/t/test-1.yaml
new file mode 100644
index 0000000000..3f4074e5a9
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+++ b/challenge-231/paulo-custodio/t/test-1.yaml
@@ -0,0 +1,15 @@
+- setup:
+  cleanup:
+  args:     3 2 1 4
+  input:
+  output:   3 2
+- setup:
+  cleanup:
+  args:     3 1
+  input:
+  output:   -1
+- setup:
+  cleanup:
+  args:     2 1 3
+  input:
+  output:   2
diff --git a/challenge-231/paulo-custodio/t/test-2.yaml b/challenge-231/paulo-custodio/t/test-2.yaml
new file mode 100644
index 0000000000..0892199703
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+++ b/challenge-231/paulo-custodio/t/test-2.yaml
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+- setup:
+  cleanup:
+  args:     7868190130M7522 5303914400F9211 9273338290F4010
+  input:
+  output:   2
+- setup:
+  cleanup:
+  args:     1313579440F2036 2921522980M5644
+  input:
+  output:   0