Find the missing permutation: Difference between revisions

Content added Content deleted

Inline

@@ Line 1,108: / Line 1,108: @@
 =={{header|Lua}}==
 Using the popular Penlight extension module - https://luarocks.org/modules/steved/penlight
-<lang Lua>local permute = require("pl.permute")
+<lang Lua>local permute, tablex = require("pl.permute"), require("pl.tablex")
-function notIn (t, str)
-    for k, v in pairs(t) do
-        if v == str then return false end
-    end
-    return true
-end
 local permList, pStr = {
     "ABCD", "CABD", "ACDB", "DACB", "BCDA", "ACBD", "ADCB", "CDAB",
@@ Line 1,122: / Line 1,114: @@
     "DCBA", "BACD", "BADC", "BDAC", "CBDA", "DBCA", "DCAB"
 }
-for _, perm in pairs(permute.table({"A","B","C","D"})) do
+for perm in permute.iter({"A","B","C","D"}) do
     pStr = table.concat(perm)
-    if notIn(permList, pStr) then print(pStr) end
+    if not tablex.find(permList, pStr) then print(pStr) end
 end</lang>
 {{out}}