vi ch-2Merge remote-tracking branch 'upstream/master'

1 files changed, 30 insertions, 0 deletions

diff --git a/challenge-153/abigail/lua/ch-2.lua b/challenge-153/abigail/lua/ch-2.lua
new file mode 100644
index 0000000000..2f01225aaa
--- /dev/null
+++ b/challenge-153/abigail/lua/ch-2.lua
@@ -0,0 +1,30 @@
+#!/opt/local/bin/lua
+
+--
+-- See https://theweeklychallenge.org/blog/perl-weekly-challenge-153
+--
+
+--
+-- Run as: lua ch-2.lua < input-file
+--
+
+local fac = {}
+      fac [0] = 1
+
+for n = 1, 9 do
+    fac [n] = n * fac [n - 1]
+end
+
+for num in io . lines () do
+    num = tonumber (num)
+    local n = num
+    local sum = 0
+    while n > 0 do
+        sum = sum + fac  [n % 10]
+        n = math . floor (n / 10)
+    end
+    if   sum == num
+    then print (1)
+    else print (0)
+    end
+end