Gustavo Chaves's perl5 solutions to challenge 006

2 files changed, 36 insertions, 0 deletions

diff --git a/challenge-006/gustavo-chaves/perl5/ch-1.pl b/challenge-006/gustavo-chaves/perl5/ch-1.pl
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+++ b/challenge-006/gustavo-chaves/perl5/ch-1.pl
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+#!/usr/bin/env perl
+
+# Create a script which takes a list of numbers from command line and print the
+# same in the compact form. For example, if you pass “1,2,3,4,9,10,14,15,16”
+# then it should print the compact form like “1-4,9,10,14-16”.
+
+use strict;
+use warnings;
+
+# The script should be invoked with a single argument which is a comma-separated
+# list of integers in ascending order.
+
+my ($from, @list) = split /,/, shift;
+my $to = $from;
+
+foreach my $n (@list) {
+    if ($n > $to + 1) {
+        print $from == $to ? "$to," : "$from-$to,";
+        $from = $n;
+    }
+    $to = $n;
+}
+
+print $from == $to ? "$to\n" : "$from-$to\n";
diff --git a/challenge-006/gustavo-chaves/perl5/ch-2.pl b/challenge-006/gustavo-chaves/perl5/ch-2.pl
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+++ b/challenge-006/gustavo-chaves/perl5/ch-2.pl
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+#!/usr/bin/env perl
+
+# Create a script to calculate Ramanujan’s constant with at least 32 digits of
+# precision. Find out more about it here:
+# https://en.wikipedia.org/wiki/Heegner_number#Almost_integers_and_Ramanujan's_constant
+
+use 5.026;
+use strict;
+use warnings;
+use bignum 'PI';
+
+say PI()->bmul(sqrt(163))->bexp(32);