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29 lines
774 B
HTML
29 lines
774 B
HTML
<p>字符串轮转。给定两个字符串<code>s1</code>和<code>s2</code>，请编写代码检查<code>s2</code>是否为<code>s1</code>旋转而成（比如，<code>waterbottle</code>是<code>erbottlewat</code>旋转后的字符串）。</p>
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<p><strong>示例1:</strong></p>
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<pre><strong> 输入</strong>：s1 = "waterbottle", s2 = "erbottlewat"
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<strong> 输出</strong>：True
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</pre>
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<p><strong>示例2:</strong></p>
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<pre><strong> 输入</strong>：s1 = "aa", s2 = "aba"
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<strong> 输出</strong>：False
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</pre>
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<ol>
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</ol>
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<p><strong>提示：</strong></p>
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<ol>
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<li>字符串长度在[0, 100000]范围内。</li>
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</ol>
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<p><strong>说明:</strong></p>
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<ol>
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<li>你能只调用一次检查子串的方法吗？</li>
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</ol>
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