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39 lines
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39 lines
1.3 KiB
HTML
<p>给你一个字符串数组 <code>words</code> ，数组中的每个字符串都可以看作是一个单词。请你按 <strong>任意</strong> 顺序返回 <code>words</code> 中是其他单词的 <span data-keyword="substring-nonempty">子字符串</span> 的所有单词。</p>
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<p> </p>
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<p><strong class="example">示例 1：</strong></p>
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<pre>
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<strong>输入：</strong>words = ["mass","as","hero","superhero"]
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<strong>输出：</strong>["as","hero"]
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<strong>解释：</strong>"as" 是 "mass" 的子字符串，"hero" 是 "superhero" 的子字符串。
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["hero","as"] 也是有效的答案。
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</pre>
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<p><strong class="example">示例 2：</strong></p>
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<pre>
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<strong>输入：</strong>words = ["leetcode","et","code"]
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<strong>输出：</strong>["et","code"]
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<strong>解释：</strong>"et" 和 "code" 都是 "leetcode" 的子字符串。
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</pre>
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<p><strong class="example">示例 3：</strong></p>
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<pre>
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<strong>输入：</strong>words = ["blue","green","bu"]
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<strong>输出：</strong>[]
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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 <= words.length <= 100</code></li>
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<li><code>1 <= words[i].length <= 30</code></li>
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<li><code>words[i]</code> 仅包含小写英文字母。</li>
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<li>题目数据 <strong>保证</strong> <code>words</code> 的每个字符串都是独一无二的。</li>
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</ul>
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