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leetcode-problemset/leetcode-cn/problem (Chinese)/整数的各位积和之差 [subtract-the-product-and-sum-of-digits-of-an-integer].html

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2022-03-27 20:37:52 +08:00
<p>给你一个整数&nbsp;<code>n</code>,请你帮忙计算并返回该整数「各位数字之积」与「各位数字之和」的差。</p>
<p>&nbsp;</p>
<p><strong>示例 1</strong></p>
<pre><strong>输入:</strong>n = 234
<strong>输出:</strong>15
<strong>解释:</strong>
各位数之积 = 2 * 3 * 4 = 24
各位数之和 = 2 + 3 + 4 = 9
结果 = 24 - 9 = 15
</pre>
<p><strong>示例 2</strong></p>
<pre><strong>输入:</strong>n = 4421
<strong>输出:</strong>21
<strong>解释:
</strong>各位数之积 = 4 * 4 * 2 * 1 = 32
各位数之和 = 4 + 4 + 2 + 1 = 11
结果 = 32 - 11 = 21
</pre>
<p>&nbsp;</p>
<p><strong>提示:</strong></p>
<ul>
<li><code>1 &lt;= n &lt;= 10^5</code></li>
</ul>