Update README.md

yanglbme · web-flow · commit 855174422ee5 · 2024-10-18T13:08:36.000+08:00
diff --git a/solution/0600-0699/0670.Maximum Swap/README.md b/solution/0600-0699/0670.Maximum Swap/README.md
@@ -237,7 +237,7 @@ impl Solution {
 
 <!-- solution:start -->
 
-### Solution 2: Space Optimized Greedy
+### 方法二：贪心 + 空间优化
 
 <!-- tabs:start -->
 
