Forgot to commit the last few days

2025/Day7/Day7.lua

@@ -33,3 +33,48 @@ for R = 2, rows do
 end
 print("Total splits " .. splits)
 print("Total quantumsplits " .. quantumsplits)
+
+-- Okay, time to learn how to make a tree node
+-- Great, I learned how to try a brute force (that will obviously never work)
+
+function createNode(col)
+	local node = {
+		col = col,
+		childeren = {},
+	}
+	return node
+end
+
+local root = createNode(math.ceil(cols / 2))
+
+local active_nodes = { root }
+
+for row = 2, rows do
+	for k, n in ipairs(active_nodes) do
+		if next(n.childeren) == nil then
+			if input[row][n.col] == "^" then
+				local a = createNode(n.col - 1)
+				local b = createNode(n.col + 1)
+				table.insert(active_nodes, a)
+				table.insert(active_nodes, b)
+				n.childeren = { a, b }
+			end
+		end
+	end
+end
+
+local gt = 0
+function count_table(t, indent)
+	indent = indent or ""
+	print(indent .. "c" .. t.col)
+	if next(t.childeren) ~= nil then
+		for k, v in pairs(t.childeren) do
+			count_table(v, indent .. "  ")
+		end
+	else
+		gt = gt + 1
+	end
+end
+
+count_table(root)
+print("Grand Total " .. gt)