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22 lines
733 B
HTML
22 lines
733 B
HTML
<p>给定两个用链表表示的整数,每个节点包含一个数位。</p>
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<p>这些数位是反向存放的,也就是个位排在链表首部。</p>
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<p>编写函数对这两个整数求和,并用链表形式返回结果。</p>
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<p> </p>
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<p><strong>示例:</strong></p>
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<pre><strong>输入:</strong>(7 -> 1 -> 6) + (5 -> 9 -> 2),即617 + 295
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<strong>输出:</strong>2 -> 1 -> 9,即912
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</pre>
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<p><strong>进阶:</strong>思考一下,假设这些数位是正向存放的,又该如何解决呢?</p>
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<p><strong>示例:</strong></p>
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<pre><strong>输入:</strong>(6 -> 1 -> 7) + (2 -> 9 -> 5),即617 + 295
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<strong>输出:</strong>9 -> 1 -> 2,即912
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</pre>
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