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44 lines
830 B
HTML
44 lines
830 B
HTML
<p>Given an integer <code>columnNumber</code>, return <em>its corresponding column title as it appears in an Excel sheet</em>.</p>
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<p>For example:</p>
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<pre>
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A -> 1
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B -> 2
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C -> 3
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...
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Z -> 26
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AA -> 27
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AB -> 28
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...
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</pre>
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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> columnNumber = 1
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<strong>Output:</strong> "A"
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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> columnNumber = 28
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<strong>Output:</strong> "AB"
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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> columnNumber = 701
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<strong>Output:</strong> "ZY"
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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>1 <= columnNumber <= 2<sup>31</sup> - 1</code></li>
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</ul>
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