day 11 part 1 in terraform

2024/bonus/day11/transform/main.tf

@@ -0,0 +1,15 @@
+variable "num" {
+  type = number
+}
+
+locals {
+  as_str = tostring(var.num)
+  len    = length(local.as_str)
+  half   = floor(length(local.as_str) / 2)
+  first  = try(tonumber(substr(local.as_str, 0, local.half)), -1)
+  second = try(tonumber(substr(local.as_str, local.half, local.half)), -1)
+}
+
+output "result" {
+  value = var.num == 0 ? [1] : local.len % 2 == 0 ? [local.first, local.second] : [var.num * 2024]
+}