1 files changed, 16 insertions, 0 deletions
diff --git a/aoc/2022/03/part-two.nim b/aoc/2022/03/part-two.nim
new file mode 100644
index 0000000..ef27011
--- /dev/null
+++ b/aoc/2022/03/part-two.nim
@@ -0,0 +1,16 @@
+import math
+import sequtils
+import sets
+import strutils
+
+func priority(group: seq[string]): int =
+  let sets = group.map_it it.to_hash_set
+  var common = sets.foldl a * b
+  result = common.pop.ord - 96
+  if result < 0:
+    result += 58
+
+let
+  elves = split_lines strip read_all stdin
+  groups = elves.distribute elves.len div 3
+echo sum groups.map priority