Challenge 158 by Jaldhar H. Vyas.

5 files changed, 97 insertions, 0 deletions

diff --git a/challenge-158/jaldhar-h-vyas/blog.txt b/challenge-158/jaldhar-h-vyas/blog.txt
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+++ b/challenge-158/jaldhar-h-vyas/blog.txt
@@ -0,0 +1 @@
+https://www.braincells.com/perl/2022/04/perl_weekly_challenge_week_158.html
\ No newline at end of file
diff --git a/challenge-158/jaldhar-h-vyas/perl/ch-1.pl b/challenge-158/jaldhar-h-vyas/perl/ch-1.pl
new file mode 100755
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+++ b/challenge-158/jaldhar-h-vyas/perl/ch-1.pl
@@ -0,0 +1,36 @@
+#!/usr/bin/perl
+use 5.030;
+use warnings;
+
+sub isPrime {
+    my ($n) = @_;
+
+    if ($n < 2) {
+        return undef;
+    }
+
+    if ($n == 2) {
+        return 1;
+    }
+
+    for my $i (2 .. sqrt($n)) {
+        if ($n % $i == 0) {
+            return undef;
+        }
+    }
+
+    return 1;
+}
+
+sub sum {
+    my ($arr) = @_;
+    my $total = 0;
+
+    for my $elem (@{$arr}) {
+        $total += $elem;
+    }
+
+    return $total;
+}
+
+say join q{, }, grep { isPrime(sum([split //])) } grep { isPrime($_) } 2 .. 100;
diff --git a/challenge-158/jaldhar-h-vyas/perl/ch-2.pl b/challenge-158/jaldhar-h-vyas/perl/ch-2.pl
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index 0000000000..1b4e484b26
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+++ b/challenge-158/jaldhar-h-vyas/perl/ch-2.pl
@@ -0,0 +1,39 @@
+#!/usr/bin/perl
+use 5.030;
+use warnings;
+
+sub isPrime {
+    my ($n) = @_;
+
+    if ($n < 2) {
+        return undef;
+    }
+
+    if ($n == 2) {
+        return 1;
+    }
+
+    for my $i (2 .. sqrt($n)) {
+        if ($n % $i == 0) {
+            return undef;
+        }
+    }
+
+    return 1;
+}
+
+my $y = 1;
+my @cubans;
+
+while(1) {
+    my $p = 3 * $y ** 2 + 3 * $y + 1;
+    if ($p > 1000) {
+        last;
+    }
+    if (isPrime($p)) {
+        push @cubans, $p;
+    }
+    $y++;
+}
+
+say join q{, }, @cubans;
\ No newline at end of file
diff --git a/challenge-158/jaldhar-h-vyas/raku/ch-1.sh b/challenge-158/jaldhar-h-vyas/raku/ch-1.sh
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+++ b/challenge-158/jaldhar-h-vyas/raku/ch-1.sh
@@ -0,0 +1,3 @@
+#!/bin/sh
+
+raku -e '(2 .. 100).grep({ .is-prime }).grep({ ([+] .comb).is-prime }).join(q{, }).say;'
diff --git a/challenge-158/jaldhar-h-vyas/raku/ch-2.raku b/challenge-158/jaldhar-h-vyas/raku/ch-2.raku
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index 0000000000..a890d48c72
--- /dev/null
+++ b/challenge-158/jaldhar-h-vyas/raku/ch-2.raku
@@ -0,0 +1,18 @@
+#!/usr/bin/raku
+
+sub MAIN() {
+    my $y = 1;
+
+    gather {
+        loop {
+            my $p = 3 * $y ** 2 + 3 * $y + 1;
+            if $p > 1000 {
+                last;
+            }
+            if ($p.is-prime) {
+                take $p;
+            }
+            $y++;
+        }
+    }.join(q{, }).say;
+}