Work on Day2 first star, few open issues

2025/Day2/Day2_second.lua

@@ -0,0 +1,44 @@
+#!/bin/lua
+
+local TotalInvalid = 0
+local Input =
+	"11-22,95-115,998-1012,1188511880-1188511890,222220-222224,1698522-1698528,446443-446449,38593856-38593862,565653-565659,824824821-824824827,2121212118-2121212124"
+-- Full	"78847-119454,636-933,7143759788-7143793713,9960235-10043487,44480-68595,23468-43311,89-123,785189-1014654,3829443354-3829647366,647009-692765,2-20,30-42,120909-197026,5477469-5677783,9191900808-9191943802,1045643-1169377,46347154-46441299,2349460-2379599,719196-779497,483556-641804,265244-450847,210541-230207,195-275,75702340-75883143,58-84,2152-3237,3367-5895,1552-2029,9575-13844,6048-8966,419388311-419470147,936-1409,9292901468-9292987321"
+local DEBUG = true
+
+function debug(displaystring)
+	if DEBUG then
+		print(displaystring)
+	end
+end
+
+-- TODO Second star, it's not doing the loop for 1 elements
+-- TODO Move the self check in function (maybe for cleanup stage)
+for CheckRange in string.gmatch(Input, "([^,]+)") do
+	local Start, End = CheckRange:match("^(%d+)-(%d+)$")
+	for Check = Start, End do
+		local valid = true
+		for L = 1, string.len(Check) / 2 do
+			if string.len(Check) % L == 0 then
+				local SingleElement = string.sub(Check, 1, string.len(Check) / L)
+				-- debug(SingleElement)
+				local CheckTest = ""
+				for B = 1, L do
+					CheckTest = CheckTest .. SingleElement
+				end
+				-- debug(" Compare (" .. Check .. ") == (" .. CheckTest .. ")")
+				if tonumber(Check) == tonumber(CheckTest) then
+					debug(" Invalid " .. Check)
+					valid = false
+				end
+			end
+		end
+		if not valid then
+			TotalInvalid = TotalInvalid + Check
+		end
+	end
+end
+
+print("Total Count Invalid IDs " .. TotalInvalid)
+local diff = 4174379265 - TotalInvalid
+print("Difference with check " .. diff)