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leetcode-cn/problem (Chinese)/判断一个括号字符串是否有效 [check-if-a-parentheses-string-can-be-valid].html
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@@ -44,6 +44,15 @@
但无论将 s[0] 变为 '(' 或者 ')' 都无法使 s 变为有效字符串。
</pre>
<p><strong class="example">示例 4：</strong></p>
<pre>
<b>输入：</b>s = "(((())(((())", locked = "111111010111"
<b>输出：</b>true
<b>解释：</b>locked 允许我们改变 s[6] 和 s[8]。
我们将 s[6] 和 s[8] 改为 ')' 使 s 变为有效字符串。
</pre>
<p>&nbsp;</p>
<p><strong>提示：</strong></p>