diff options
Diffstat (limited to 'challenge-115/stuart-little/lua/ch-1.lua')
| -rwxr-xr-x | challenge-115/stuart-little/lua/ch-1.lua | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/challenge-115/stuart-little/lua/ch-1.lua b/challenge-115/stuart-little/lua/ch-1.lua new file mode 100755 index 0000000000..9e995c6791 --- /dev/null +++ b/challenge-115/stuart-little/lua/ch-1.lua @@ -0,0 +1,20 @@ +#!/usr/bin/env lua + +-- run <script> <space-separated strings> + +t={} + +for _,s in ipairs(arg) do + t[s:sub(1,1)] = (t[s:sub(1,1)] or 0)+1 + t[s:sub(-1)] = (t[s:sub(-1)] or 0)-1 +end + +for _,v in pairs(t) do + if v ~= 0 then + print(0) + os.exit() + end +end + +print((#arg < 2) and 0 or 1) + |
