speedup day06

1 files changed, 6 insertions, 9 deletions

diff --git a/2024/day06.rs b/2024/day06.rs
index 7a31743..ee670aa 100644
--- a/2024/day06.rs
+++ b/2024/day06.rs
@@ -70,15 +70,12 @@ fn main() {
     let res1 = hs.len();
 
     let mut res2 = 0;
-    for y in 0..m.len() {
-        for x in 0..m[0].len() {
-            let mut m2 = m.clone();
-            m2[y][x] = false;
-            let (circ, hs, hs2) = run(pos, &m2);
-            if circ {
-                res2 += 1;
-                println!("circ {} {}", y, x);
-            }
+    for (x, y) in hs {
+        let mut m2 = m.clone();
+        m2[y as usize][x as usize] = false;
+        let (circ, hs, hs2) = run(pos, &m2);
+        if circ {
+            res2 += 1;
         }
     }