Minor improvement using ref instead of copy

1 files changed, 1 insertions, 1 deletions

diff --git a/2022/19/a.rs b/2022/19/a.rs
index 57e83e6..898debd 100644
--- a/2022/19/a.rs
+++ b/2022/19/a.rs
@@ -8,7 +8,7 @@ fn main() {
     let mut i = 1;
     let mut sum = 0;
     for bp in read_blueprints_from_stdin() {
-        let mg = most_geodes(&bp, Status::new(), MINUTES, &mut mem);
+        let mg = most_geodes(&bp, &Status::new(), MINUTES, &mut mem);
         println!("{i}: {mg}");
         sum += i * mg;
         mem.clear();