Create 335_p1.lua

1 files changed, 50 insertions, 0 deletions

diff --git a/challenge-335/hvukman/lua/335_p1.lua b/challenge-335/hvukman/lua/335_p1.lua
new file mode 100644
index 0000000000..fae6ac2a3a
--- /dev/null
+++ b/challenge-335/hvukman/lua/335_p1.lua
@@ -0,0 +1,50 @@
+local inp = {{ "bella", "label", "roller" }, { "cool", "lock", "cook" } , { "hello", "world", "pole"}
+    , { "abc", "def", "ghi" }, { "aab", "aac", "aaa"}}
+
+
+function Common(X) 
+    local unique = {}
+
+
+    for i,v in ipairs(X) do
+        for j=1,#v do
+            local sub = string.sub(v,j,j)
+            unique[sub] = true
+        end
+    end
+
+
+    local res = {}
+    io.write ("Output: ")
+    -- check each unique character
+    for i,_ in pairs(unique) do
+        local res = {}
+        for _,v in ipairs(X) do
+           
+            local sum =0
+            for index in (v):gmatch(i) do
+                sum = sum + 1
+              --  print("index ", index)
+            end
+            if sum>0 then
+                table.insert(res,sum)
+            end
+        end
+        
+        if #res==3 then
+            table.sort(res)
+           
+            for jj=1,res[1] do
+                io.write (i," ")
+            end
+         
+        end
+      
+    end
+      print("") 
+end
+
+for i,v in ipairs(inp) do
+    Common(v)
+   
+end