提交 a622b779 编写于 作者: 每日一练社区's avatar 每日一练社区

update exercises

上级 7d060661
...@@ -23,10 +23,12 @@ ...@@ -23,10 +23,12 @@
<strong>解释:</strong>存在 2 种最短的转换序列: <strong>解释:</strong>存在 2 种最短的转换序列:
</pre> </pre>
``` ```
"hit" -> "hot" -> "dot" -> "dog" -> "cog" "hit" -> "hot" -> "dot" -> "dog" -> "cog"
"hit" -> "hot" -> "lot" -> "log" -> "cog" "hit" -> "hot" -> "lot" -> "log" -> "cog"
``` ```
<p><strong>示例 2:</strong></p> <p><strong>示例 2:</strong></p>
<pre> <pre>
......
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