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34 lines
1.1 KiB
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34 lines
1.1 KiB
HTML
<p>Given a <strong>non-negative</strong> integer <code>num</code>, return <code>true</code><em> if </em><code>num</code><em> can be expressed as the sum of any <strong>non-negative</strong> integer and its reverse, or </em><code>false</code><em> otherwise.</em></p>
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<p> </p>
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<p><strong class="example">Example 1:</strong></p>
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<pre>
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<strong>Input:</strong> num = 443
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<strong>Output:</strong> true
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<strong>Explanation:</strong> 172 + 271 = 443 so we return true.
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</pre>
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<p><strong class="example">Example 2:</strong></p>
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<pre>
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<strong>Input:</strong> num = 63
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<strong>Output:</strong> false
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<strong>Explanation:</strong> 63 cannot be expressed as the sum of a non-negative integer and its reverse so we return false.
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</pre>
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<p><strong class="example">Example 3:</strong></p>
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<pre>
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<strong>Input:</strong> num = 181
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<strong>Output:</strong> true
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<strong>Explanation:</strong> 140 + 041 = 181 so we return true. Note that when a number is reversed, there may be leading zeros.
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</pre>
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<p> </p>
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<p><strong>Constraints:</strong></p>
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<ul>
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<li><code>0 <= num <= 10<sup>5</sup></code></li>
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</ul>
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