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46 lines
905 B
HTML
46 lines
905 B
HTML
<p>给你一个字符串 <code>columnTitle</code> ，表示 Excel 表格中的列名称。返回 <em>该列名称对应的列序号</em> 。</p>
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<p>例如：</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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...</pre>
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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> columnTitle = "A"
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<strong>输出:</strong> 1
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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>columnTitle = "AB"
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<strong>输出:</strong> 28
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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>columnTitle = "ZY"
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<strong>输出:</strong> 701</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 <= columnTitle.length <= 7</code></li>
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<li><code>columnTitle</code> 仅由大写英文组成</li>
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<li><code>columnTitle</code> 在范围 <code>["A", "FXSHRXW"]</code> 内</li>
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</ul>
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