From 563cb2f865dcb3e10e7fe0cd3d8ca60a3e02e407 Mon Sep 17 00:00:00 2001
From: Abigail <abigail@abigail.be>
Date: Thu, 4 Nov 2021 18:12:56 +0100
Subject: Bash, bc, C, Lua, Node.js, Python and Ruby solutions for week 133,
 part 1.

---
 challenge-133/abigail/node/ch-1.js | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 challenge-133/abigail/node/ch-1.js

(limited to 'challenge-133/abigail/node')

diff --git a/challenge-133/abigail/node/ch-1.js b/challenge-133/abigail/node/ch-1.js
new file mode 100644
index 0000000000..401e7ca4f4
--- /dev/null
+++ b/challenge-133/abigail/node/ch-1.js
@@ -0,0 +1,15 @@
+#!/usr/local/bin/node
+
+//
+// See ../README.md
+//
+
+//
+// Run as: node ch-1.js < input-file
+//
+
+  require ('readline')
+. createInterface ({input: process . stdin})   
+. on              ('line', num => {
+    console . log (Math . floor (Math . exp (Math . log (+num) / 2)))
+})
-- 
cgit 


From a0298e354570ba3ebf90abaeaf9f2af3b58702e7 Mon Sep 17 00:00:00 2001
From: Abigail <abigail@abigail.be>
Date: Fri, 5 Nov 2021 20:58:51 +0100
Subject: AWK, Bash, Lua, Node.js, Python and Ruby solutions for week 133, part
 2.

---
 challenge-133/abigail/node/ch-2.js | 52 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 challenge-133/abigail/node/ch-2.js

(limited to 'challenge-133/abigail/node')

diff --git a/challenge-133/abigail/node/ch-2.js b/challenge-133/abigail/node/ch-2.js
new file mode 100644
index 0000000000..1000e451d7
--- /dev/null
+++ b/challenge-133/abigail/node/ch-2.js
@@ -0,0 +1,52 @@
+#!/usr/local/bin/node
+
+//
+// See ../README.md
+//
+
+//
+// Run as: node ch-2.js < input-file
+//
+
+let small_primes = [2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31]
+
+function factorize (num) {
+    let out = []
+    small_primes . forEach (prime => {
+        while (num % prime == 0) {
+            out . push (prime)
+            num /= prime
+        }
+    })
+
+    if (num > 1) {
+        out . push (num)
+    }
+
+    return out
+}
+
+
+function digit_sum (numbers) {
+    let sum = 0
+    numbers . forEach (number => {
+        while (number > 0) {
+            sum += number % 10
+            number = Math . floor (number / 10)
+        }
+    })
+    return sum
+}
+
+
+let count  = 0
+let number = 1
+
+while (count < 10) {
+    let factors = factorize (number)
+    if (factors . length > 1 && digit_sum ([number]) == digit_sum (factors)) {
+        console . log (number)
+        count ++
+    }
+    number ++
+}
-- 
cgit