new files

Task/Knuth-shuffle/Lua/knuth-shuffle.lua

@@ -0,0 +1,14 @@
+function table.shuffle(t)
+  local n = #t
+  while n > 1 do
+    local k = math.random(n)
+    t[n], t[k] = t[k], t[n]
+    n = n - 1
+  end
+
+  return t
+end
+math.randomseed( os.time() )
+a = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
+table.shuffle(a)
+for i,v in ipairs(a) do print(i,v) end