Make buffer bigger

Author: EbbDrop

src/day18.rs

@@ -269,7 +269,7 @@ const LUT: [bool; 256] = const {
 };
 
 fn is_connected(map: &[bool; SIZE1 as usize * SIZE as usize]) -> bool {
-    let mut to_see = heapless::BinaryHeap::<_, heapless::binary_heap::Min, 128>::new();
+    let mut to_see = heapless::BinaryHeap::<_, heapless::binary_heap::Min, 1024>::new();
     to_see
         .push(State {
             cost: 0,

tests/test_days.rs

@@ -50,4 +50,5 @@ benches!(
     15 => ("1398947", "1397393"),
     16 => ("106512", "563"),
     17 => ("3,6,3,7,0,7,0,3,0", "136904920099226"),
+    18 => ("338", ""),
 );