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38 lines
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38 lines
1.0 KiB
HTML
<p>给你两个字符串：<code>ransomNote</code> 和 <code>magazine</code> ，判断 <code>ransomNote</code> 能不能由 <code>magazine</code> 里面的字符构成。</p>
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<p>如果可以，返回 <code>true</code> ；否则返回 <code>false</code> 。</p>
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<p><code>magazine</code> 中的每个字符只能在 <code>ransomNote</code> 中使用一次。</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>ransomNote = "a", magazine = "b"
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<strong>输出：</strong>false
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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>ransomNote = "aa", magazine = "ab"
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<strong>输出：</strong>false
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</pre>
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<p><strong>示例 3：</strong></p>
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<pre>
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<strong>输入：</strong>ransomNote = "aa", magazine = "aab"
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<strong>输出：</strong>true
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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 <= ransomNote.length, magazine.length <= 10<sup>5</sup></code></li>
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<li><code>ransomNote</code> 和 <code>magazine</code> 由小写英文字母组成</li>
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</ul>
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