From 0ed96034b49aa270842285d4170d2893641a2bfa Mon Sep 17 00:00:00 2001
From: Abigail <abigail@abigail.be>
Date: Tue, 12 Oct 2021 11:23:54 +0200
Subject: Lua solutions for week 134

---
 challenge-134/abigail/lua/ch-1.lua | 13 +++++++++++++
 challenge-134/abigail/lua/ch-2.lua | 24 ++++++++++++++++++++++++
 2 files changed, 37 insertions(+)
 create mode 100644 challenge-134/abigail/lua/ch-1.lua
 create mode 100644 challenge-134/abigail/lua/ch-2.lua

(limited to 'challenge-134/abigail/lua')

diff --git a/challenge-134/abigail/lua/ch-1.lua b/challenge-134/abigail/lua/ch-1.lua
new file mode 100644
index 0000000000..1b0d219dce
--- /dev/null
+++ b/challenge-134/abigail/lua/ch-1.lua
@@ -0,0 +1,13 @@
+#!/opt/local/bin/lua
+
+--
+-- See ../README.md
+--
+
+--
+-- Run as: lua ch-1.lua
+--
+
+for _, tail in ipairs ({789, 798, 879, 897, 978}) do
+    print (1023456000 + tail)
+end
diff --git a/challenge-134/abigail/lua/ch-2.lua b/challenge-134/abigail/lua/ch-2.lua
new file mode 100644
index 0000000000..4ea5926b60
--- /dev/null
+++ b/challenge-134/abigail/lua/ch-2.lua
@@ -0,0 +1,24 @@
+#!/opt/local/bin/lua
+
+--
+-- See ../README.md
+--
+
+--
+-- Run as: lua ch-2.lua < input-file
+--
+
+for line in io . lines () do
+    local _, _, m, n = line : find ("([0-9]+)%s+([0-9]+)")
+    local seen = {}
+    local count = 0
+    for x = 1, m do
+        for y = 1, n do
+            if seen [x * y] == nil then
+                seen [x * y] = 1
+                count = count + 1
+            end
+        end
+    end
+    print (count)
+end
-- 
cgit