Implement day 5 part 1 in terraform

I'm pretty sure part 2 is impossible

2024/bonus/day05/is_correct/main.tf

@@ -0,0 +1,21 @@
+variable "update" {
+  type = list(number)
+}
+
+variable "disallow_rules" {
+  type = map(list(number))
+}
+
+locals {
+  not_disallowed = alltrue([
+    for i in range(1, length(var.update)) :
+    !contains(
+      flatten([for j in range(i) : lookup(var.disallow_rules, var.update[j], [])]),
+      var.update[i]
+    )
+  ])
+}
+
+output "valid" {
+  value = local.not_disallowed ? var.update[floor(length(var.update) / 2)] : 0
+}