Merge pull request #4513 from stuart-little/stuart-little_082_lua

1st commit on 082_lua

2 files changed, 18 insertions, 0 deletions

diff --git a/challenge-082/stuart-little/lua/ch-1.lua b/challenge-082/stuart-little/lua/ch-1.lua
new file mode 100755
index 0000000000..5671895075
--- /dev/null
+++ b/challenge-082/stuart-little/lua/ch-1.lua
@@ -0,0 +1,7 @@
+#!/usr/bin/env lua
+
+-- run <script> <space-separated numbers>
+
+for i=1,math.min(tonumber(arg[1]),tonumber(arg[2])) do
+   if (tonumber(arg[1]) % i == 0) and (tonumber(arg[2]) % i == 0) then print(i) end
+end
diff --git a/challenge-082/stuart-little/lua/ch-2.lua b/challenge-082/stuart-little/lua/ch-2.lua
new file mode 100755
index 0000000000..07b1a448f6
--- /dev/null
+++ b/challenge-082/stuart-little/lua/ch-2.lua
@@ -0,0 +1,11 @@
+#!/usr/bin/env lua
+
+-- run <script> <space-separated strings, with the target string last>
+
+function canInterleave(a,b,c)
+   if math.max(a:len(),b:len(),c:len()) == 0 then return true end
+   if a:sub(1,1) == c:sub(1,1) then return canInterleave(a:sub(2),b,c:sub(2)) end
+   if b:sub(1,1) == c:sub(1,1) then return canInterleave(a,b:sub(2),c:sub(2)) end
+   return false
+end
+print(canInterleave(table.unpack(arg,1,3)) and 1 or 0)