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29 lines
776 B
HTML
29 lines
776 B
HTML
<p>给定一个字符串 <code>s</code> ，通过将字符串 <code>s</code> 中的每个字母转变大小写，我们可以获得一个新的字符串。</p>
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<p>返回 <em>所有可能得到的字符串集合</em> 。以 <strong>任意顺序</strong> 返回输出。</p>
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<p> </p>
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<p><strong>示例 1：</strong></p>
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<pre>
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<strong>输入：</strong>s = "a1b2"
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<strong>输出：</strong>["a1b2", "a1B2", "A1b2", "A1B2"]
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</pre>
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<p><strong>示例 2:</strong></p>
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<pre>
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<strong>输入:</strong> s = "3z4"
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<strong>输出:</strong> ["3z4","3Z4"]
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</pre>
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<p> </p>
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<p><strong>提示:</strong></p>
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<ul>
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<li><code>1 <= s.length <= 12</code></li>
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<li><code>s</code> 由小写英文字母、大写英文字母和数字组成</li>
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</ul>
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