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add leetcode problem-cn part2

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小墨
2022-03-27 20:38:29 +08:00
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算法题（国内版）/problem (Chinese)/无重复字符串的排列组合 [permutation-i-lcci].html Normal file
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<p>无重复字符串的排列组合。编写一种方法，计算某字符串的所有排列组合，字符串每个字符均不相同。</p>
<p> <strong>示例1:</strong></p>
<pre>
<strong> 输入</strong>：S = "qwe"
<strong> 输出</strong>：["qwe", "qew", "wqe", "weq", "ewq", "eqw"]
</pre>
<p> <strong>示例2:</strong></p>
<pre>
<strong> 输入</strong>：S = "ab"
<strong> 输出</strong>：["ab", "ba"]
</pre>
<p> <strong>提示:</strong></p>
<ol>
<li>字符都是英文字母。</li>
<li>字符串长度在[1, 9]之间。</li>
</ol>