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"translatedContent": "<p>给你一个整数数组 <code>nums</code> 以及两个整数 <code>lower</code> 和 <code>upper</code> 。求数组中,值位于范围 <code>[lower, upper]</code> (包含 <code>lower</code> 和 <code>upper</code>)之内的 <strong>区间和的个数</strong> 。</p>\n\n<p><strong>区间和</strong> <code>S(i, j)</code> 表示在 <code>nums</code> 中,位置从 <code>i</code> 到 <code>j</code> 的元素之和,包含 <code>i</code> 和 <code>j</code> (<code>i</code> ≤ <code>j</code>)。</p>\n\n<p> </p>\n<strong>示例 1</strong>\n\n<pre>\n<strong>输入:</strong>nums = [-2,5,-1], lower = -2, upper = 2\n<strong>输出:</strong>3\n<strong>解释:</strong>存在三个区间:[0,0]、[2,2] 和 [0,2] ,对应的区间和分别是:-2 、-1 、2 。\n</pre>\n\n<p><strong>示例 2</strong></p>\n\n<pre>\n<strong>输入:</strong>nums = [0], lower = 0, upper = 0\n<strong>输出:</strong>1\n</pre>\n\n<p> </p>\n\n<p><strong>提示:</strong></p>\n\n<ul>\n\t<li><code>1 <= nums.length <= 10<sup>5</sup></code></li>\n\t<li><code>-2<sup>31</sup> <= nums[i] <= 2<sup>31</sup> - 1</code></li>\n\t<li><code>-10<sup>5</sup> <= lower <= upper <= 10<sup>5</sup></code></li>\n\t<li>题目数据保证答案是一个 <strong>32 位</strong> 的整数</li>\n</ul>\n",
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