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"translatedContent": "<p>给你一个整数数组 <code>nums</code> 和一个目标值 <code>goal</code> 。</p>\n\n<p>你需要从 <code>nums</code> 中选出一个子序列,使子序列元素总和最接近 <code>goal</code> 。也就是说,如果子序列元素和为 <code>sum</code> ,你需要 <strong>最小化绝对差</strong> <code>abs(sum - goal)</code> 。</p>\n\n<p>返回 <code>abs(sum - goal)</code> 可能的 <strong>最小值</strong> 。</p>\n\n<p>注意,数组的子序列是通过移除原始数组中的某些元素(可能全部或无)而形成的数组。</p>\n\n<p> </p>\n\n<p><strong>示例 1</strong></p>\n\n<pre><strong>输入:</strong>nums = [5,-7,3,5], goal = 6\n<strong>输出:</strong>0\n<strong>解释:</strong>选择整个数组作为选出的子序列,元素和为 6 。\n子序列和与目标值相等所以绝对差为 0 。\n</pre>\n\n<p><strong>示例 2</strong></p>\n\n<pre><strong>输入:</strong>nums = [7,-9,15,-2], goal = -5\n<strong>输出:</strong>1\n<strong>解释:</strong>选出子序列 [7,-9,-2] ,元素和为 -4 。\n绝对差为 abs(-4 - (-5)) = abs(1) = 1 ,是可能的最小值。\n</pre>\n\n<p><strong>示例 3</strong></p>\n\n<pre><strong>输入:</strong>nums = [1,2,3], goal = -7\n<strong>输出:</strong>7\n</pre>\n\n<p> </p>\n\n<p><strong>提示:</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= nums.length &lt;= 40</code></li>\n\t<li><code>-10<sup>7</sup> &lt;= nums[i] &lt;= 10<sup>7</sup></code></li>\n\t<li><code>-10<sup>9</sup> &lt;= goal &lt;= 10<sup>9</sup></code></li>\n</ul>\n",
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"hints": [
"The naive solution is to check all possible subsequences. This works in O(2^n).",
"Divide the array into two parts of nearly is equal size.",