1 files changed, 19 insertions, 0 deletions
diff --git a/037.pl b/037.pl
new file mode 100755
index 0000000..f20b2c8
--- /dev/null
+++ b/037.pl
@@ -0,0 +1,19 @@
+#!/usr/bin/perl
+use strict;
+use warnings;
+use Math::Prime::XS qw/sieve_primes/;
+use List::MoreUtils qw/all/;
+
+my @primes = sieve_primes(1e6);
+my %primes = map { $_, 1 } @primes;
+my $total = 0;
+for my $prime (@primes) {
+    next if $prime < 10;
+    my @potentials = grep { length }
+                     map { substr($prime, 0, $_),
+                           substr($prime, $_)     }
+                     1..(length $prime);
+    next unless all { $primes{$_} } @potentials;
+    $total += $prime;
+}
+print "$total\n";