1 files changed, 47 insertions, 0 deletions
diff --git a/challenge-283/roger-bell-west/lua/ch-1.lua b/challenge-283/roger-bell-west/lua/ch-1.lua
new file mode 100755
index 0000000000..0aed7ca01b
--- /dev/null
+++ b/challenge-283/roger-bell-west/lua/ch-1.lua
@@ -0,0 +1,47 @@
+#! /usr/bin/lua
+
+function uniquenumber(a)
+   local c = {}
+   for _, n in ipairs(a) do
+      if c[n] == nil then
+         c[n] = 1
+      else
+         c[n] = c[n] + 1
+      end
+   end
+   for k, v in pairs(c) do
+      if v == 1 then
+         return k
+      end
+   end
+   return -1
+end
+
+if uniquenumber({3, 3, 1}) == 1 then
+  io.write("Pass")
+else
+  io.write("FAIL")
+end
+io.write(" ")
+
+if uniquenumber({3, 2, 4, 2, 4}) == 3 then
+  io.write("Pass")
+else
+  io.write("FAIL")
+end
+io.write(" ")
+
+if uniquenumber({1}) == 1 then
+  io.write("Pass")
+else
+  io.write("FAIL")
+end
+io.write(" ")
+
+if uniquenumber({4, 3, 1, 1, 1, 4}) == 3 then
+  io.write("Pass")
+else
+  io.write("FAIL")
+end
+print("")
+