Merge pull request #4438 from stuart-little/stuart-little_120_lua

1st commit on 120_lua

2 files changed, 27 insertions, 0 deletions

diff --git a/challenge-120/stuart-little/lua/ch-1.lua b/challenge-120/stuart-little/lua/ch-1.lua
new file mode 100755
index 0000000000..5a4f791867
--- /dev/null
+++ b/challenge-120/stuart-little/lua/ch-1.lua
@@ -0,0 +1,14 @@
+#!/usr/bin/env lua
+
+-- run <script> <number>
+
+inpt = arg[1]
+out = 0
+t={0,2,1,3}
+
+for i=1,4 do
+   out = out + 4^(i-1) * t[(inpt & 3) + 1]
+   inpt = inpt >> 2
+end
+
+print(string.format("%d",out))
diff --git a/challenge-120/stuart-little/lua/ch-2.lua b/challenge-120/stuart-little/lua/ch-2.lua
new file mode 100755
index 0000000000..00ff816e3a
--- /dev/null
+++ b/challenge-120/stuart-little/lua/ch-2.lua
@@ -0,0 +1,13 @@
+#!/usr/bin/env lua
+
+-- run <script> <time>
+
+function angl(h,m)
+   rawDiff = math.abs((h % 12)*30 + m/2 - m * 6)
+   return math.min(rawDiff, 360-rawDiff)
+end
+
+for h,m in string.gmatch(arg[1], "(%w+):(%w+)") do
+   print(angl(h,m))
+end
+