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34 lines
1.2 KiB
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34 lines
1.2 KiB
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<p>给你一个整数数组 <code>nums</code> ，和两个整数 <code>limit</code> 与 <code>goal</code> 。数组 <code>nums</code> 有一条重要属性：<code>abs(nums[i]) <= limit</code> 。</p>
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<p>返回使数组元素总和等于 <code>goal</code> 所需要向数组中添加的 <strong>最少元素数量</strong> ，添加元素 <strong>不应改变</strong> 数组中 <code>abs(nums[i]) <= limit</code> 这一属性。</p>
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<p>注意，如果 <code>x >= 0</code> ，那么 <code>abs(x)</code> 等于 <code>x</code> ；否则，等于 <code>-x</code> 。</p>
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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>nums = [1,-1,1], limit = 3, goal = -4
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<strong>输出：</strong>2
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<strong>解释：</strong>可以将 -2 和 -3 添加到数组中，数组的元素总和变为 1 - 1 + 1 - 2 - 3 = -4 。
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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>nums = [1,-10,9,1], limit = 100, goal = 0
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<strong>输出：</strong>1
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</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 <= nums.length <= 10<sup>5</sup></code></li>
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<li><code>1 <= limit <= 10<sup>6</sup></code></li>
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<li><code>-limit <= nums[i] <= limit</code></li>
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<li><code>-10<sup>9</sup> <= goal <= 10<sup>9</sup></code></li>
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</ul>
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