Lua solutions for week 134

3 files changed, 41 insertions, 2 deletions

diff --git a/challenge-134/abigail/README.md b/challenge-134/abigail/README.md
index e3b1b50bb8..3ea3d1e459 100644
--- a/challenge-134/abigail/README.md
+++ b/challenge-134/abigail/README.md
@@ -6,11 +6,13 @@
 * [Bash](bash/ch-1.sh)
 * [Befunge-93](befunge-93/ch-1.bf93)
 * [C](c/ch-1.c)
+* [Lua](lua/ch-1.lua)
 * [Perl](perl/ch-1.pl)
 
 ## Part 2
 
 * [AWK](awk/ch-2.awk)
-* [Bash](bash/ch-1.sh)
-* [C](c/ch-1.c)
+* [Bash](bash/ch-2.sh)
+* [C](c/ch-2.c)
+* [Lua](lua/ch-2.lua)
 * [Perl](perl/ch-2.pl)
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