add comment in 1091

fishercoder1534 · fishercoder1534 · commit bf9fdd0acdc2 · 2024-06-07T15:28:47.000-07:00
diff --git a/src/main/java/com/fishercoder/solutions/_1091.java b/src/main/java/com/fishercoder/solutions/_1091.java
@@ -5,6 +5,7 @@
 
 public class _1091 {
     public static class Solution1 {
+        //you can count in the normal four directions first, then count the diagonal ones to form this array
         int[] directions = new int[]{0, 1, 1, 0, -1, 1, -1, -1, 0};
 
         public int shortestPathBinaryMatrix(int[][] grid) {
