Try with branch caching again

2024/16/index.ts

@@ -106,8 +106,6 @@ for (let y = 1; y < height - 1; y++) {
 
 let fastest: number|null = null;
 
-const scoreCache: { [key: string]: [number, Coord, Dir] } = {};
-
 const branchCache: { [key: string]: number } = {};
 
 const scores: Array<[number, Array<string>]> = [];
@@ -125,9 +123,6 @@ function getScoresAfterPosition(pos: Coord, dir: Dir, currentScore = 0, path: Ar
         } else {
             branchCache[cacheKey] = currentScore;
         }
-        if (lastBranch) {
-            scoreCache[`${lastBranch[1].x},${lastBranch[1].y}`] = [currentScore - lastBranch[0], pos, dir];
-        }
         lastBranch = [currentScore, pos];
     }
     [dir, nextDir(dir), prevDir(dir)].forEach((newDir, i) => {