updated some code

days/2024/16.rs

@@ -26,18 +26,18 @@ fn new_score(old_score: u32, old: KD, new: KD) -> u32 {
         }
 }
 
-fn sorter(a: &(Kartesian<usize>, KartesianDirection, u32, Kartesian<usize>), b: &(Kartesian<usize>, KartesianDirection, u32, Kartesian<usize>)) -> Ordering {
+fn sorter(a: &(Kartesian<usize>, KartesianDirection, u32), b: &(Kartesian<usize>, KartesianDirection, u32)) -> Ordering {
     a.2.cmp(&b.2).reverse()
 }
 
 fn search_end(map: &Map<char>, startpos: Kartesian<usize>, last_dir: KartesianDirection) -> u32 {
     let mut posmap: HashMap<Kartesian<usize>, u32> = HashMap::new();
     let mut branches = Vec::with_capacity(200);
-    branches.push((startpos, last_dir, 0, startpos));
+    branches.push((startpos, last_dir, 0));
     let mut vmap = map.clone();
     let mut best = u32::MAX;
     loop {
-        let (newpos, old_dir, score, oldpos) = match branches.pop() {
+        let (newpos, old_dir, score) = match branches.pop() {
             Some(b) => b,
             None => break,
         };
@@ -72,7 +72,7 @@ fn search_end(map: &Map<char>, startpos: Kartesian<usize>, last_dir: KartesianDi
                 },
                 SPACE | START => {
                     let added = new_score(score, old_dir, dir);
-                    branches.push((after_move, dir, added, newpos));
+                    branches.push((after_move, dir, added));
                 },
                 _ => unreachable!(),
             }