Update README_EN.md

yanglbme · web-flow · commit f0057997a517 · 2024-11-22T15:34:52.000+08:00
diff --git a/solution/2200-2299/2257.Count Unguarded Cells in the Grid/README_EN.md b/solution/2200-2299/2257.Count Unguarded Cells in the Grid/README_EN.md
@@ -281,7 +281,7 @@ function countUnguarded(m, n, guards, walls) {
 
 <!-- solution:start -->
 
-### Solution 2: Simulation
+### Solution 2: DFS + Simulation
 
 <!-- tabs:start -->
 
