Update 0091. 解码方法.md

itcharge · May 20, 2024 · ff355e7 · ff355e7
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diff --git a/Solutions/0091. 解码方法.md b/Solutions/0091. 解码方法.md
@@ -62,7 +62,7 @@ $dp[i]$ 的来源有两种情况：
 
 状态转移方程可以写为：
 
-$dp[i] += \begin{cases} dp[i-1] & \quad s[i] \ne 0 \cr dp[i-2] & \quad s[i-1] \ne 0，s[i-1:i] \le 26 \end{cases}$
+$dp[i] += \begin{cases} dp[i-1] & \quad s[i] \ne 0 \cr dp[i-2] & \quad s[i-1] \ne 0, s[i-1:i] \le 26 \end{cases}$
 
 ###### 4. 初始条件