mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
synced 2025-01-25 17:50:26 +08:00
179 lines
18 KiB
JSON
179 lines
18 KiB
JSON
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"title": "数值的整数次方 LCOF",
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"translatedTitle": "数值的整数次方",
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"translatedContent": "<p>实现 <a href=\"https://www.cplusplus.com/reference/valarray/pow/\">pow(<em>x</em>, <em>n</em>)</a> ，即计算 x 的 n 次幂函数（即，x<sup>n</sup>）。不得使用库函数，同时不需要考虑大数问题。</p>\n\n<p> </p>\n\n<p><strong>示例 1：</strong></p>\n\n<pre>\n<strong>输入：</strong>x = 2.00000, n = 10\n<strong>输出：</strong>1024.00000\n</pre>\n\n<p><strong>示例 2：</strong></p>\n\n<pre>\n<strong>输入：</strong>x = 2.10000, n = 3\n<strong>输出：</strong>9.26100</pre>\n\n<p><strong>示例 3：</strong></p>\n\n<pre>\n<strong>输入：</strong>x = 2.00000, n = -2\n<strong>输出：</strong>0.25000\n<strong>解释：</strong>2<sup>-2</sup> = 1/2<sup>2</sup> = 1/4 = 0.25</pre>\n\n<p> </p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>-100.0 < x < 100.0</code></li>\n\t<li><code>-2<sup>31</sup> <= n <= 2<sup>31</sup>-1</code></li>\n\t<li><code>-10<sup>4</sup> <= x<sup>n</sup> <= 10<sup>4</sup></code></li>\n</ul>\n\n<p> </p>\n\n<p>注意：本题与主站 50 题相同：<a href=\"https://leetcode-cn.com/problems/powx-n/\">https://leetcode-cn.com/problems/powx-n/</a></p>\n",
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