Merge remote-tracking branch 'upstream/master'

1 files changed, 21 insertions, 0 deletions

diff --git a/challenge-239/deadmarshal/lua/ch-2.lua b/challenge-239/deadmarshal/lua/ch-2.lua
new file mode 100644
index 0000000000..e4c7d15181
--- /dev/null
+++ b/challenge-239/deadmarshal/lua/ch-2.lua
@@ -0,0 +1,21 @@
+#!/usr/bin/env lua
+
+local function consistent_strings(t,allowed)
+  assert(type(t) == 'table' and type(allowed) == 'string',
+	 't,allowed must be a table and string respectively!')
+  local count = 0
+  for i=1,#t do
+    local temp = true
+    for j=1,#t[i] do
+      if not allowed:match(t[i]:sub(j,j)) then temp = false break end
+    end
+    if temp == true then count = count + 1 end
+  end
+  return count
+end
+
+print(consistent_strings({'ad','bd','aaab','baa','badab'},'ab'))
+print(consistent_strings({'a','b','c','ab','ac','bc','abc'},'aabc'))
+print(consistent_strings({'cc','acd','b','ba','bac','bad','ac','d'},
+	'cad'))
+