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			53 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			HTML
		
	
	
	
	
	
<p>给定在 xy 平面上的一组点,确定由这些点组成的任何矩形的最小面积,其中矩形的边<strong>不一定平行于</strong> x 轴和 y 轴。</p>
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<p>如果没有任何矩形,就返回 0。</p>
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<p> </p>
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<p><strong>示例 1:</strong></p>
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<p><strong><img alt="" src="https://assets.leetcode-cn.com/aliyun-lc-upload/uploads/2018/12/22/1a.png" style="height: 151px; width: 150px;"></strong></p>
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<pre><strong>输入:</strong>[[1,2],[2,1],[1,0],[0,1]]
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<strong>输出:</strong>2.00000
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<strong>解释:</strong>最小面积的矩形出现在 [1,2],[2,1],[1,0],[0,1] 处,面积为 2。</pre>
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<p><strong>示例 2:</strong></p>
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<p><img alt="" src="https://assets.leetcode-cn.com/aliyun-lc-upload/uploads/2018/12/23/2.png" style="height: 94px; width: 150px;"></p>
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<pre><strong>输入:</strong>[[0,1],[2,1],[1,1],[1,0],[2,0]]
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<strong>输出:</strong>1.00000
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<strong>解释:</strong>最小面积的矩形出现在 [1,0],[1,1],[2,1],[2,0] 处,面积为 1。
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</pre>
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<p><strong>示例 3:</strong></p>
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<p><img alt="" src="https://assets.leetcode-cn.com/aliyun-lc-upload/uploads/2018/12/23/3.png" style="height: 94px; width: 150px;"></p>
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<pre><strong>输入:</strong>[[0,3],[1,2],[3,1],[1,3],[2,1]]
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<strong>输出:</strong>0
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<strong>解释:</strong>没法从这些点中组成任何矩形。
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</pre>
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<p><strong>示例 4:</strong></p>
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<p><strong><img alt="" src="https://assets.leetcode-cn.com/aliyun-lc-upload/uploads/2018/12/21/4c.png" style="height: 155px; width: 160px;"></strong></p>
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<pre><strong>输入:</strong>[[3,1],[1,1],[0,1],[2,1],[3,3],[3,2],[0,2],[2,3]]
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<strong>输出:</strong>2.00000
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<strong>解释:</strong>最小面积的矩形出现在 [2,1],[2,3],[3,3],[3,1] 处,面积为 2。
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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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<ol>
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	<li><code>1 <= points.length <= 50</code></li>
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	<li><code>0 <= points[i][0] <= 40000</code></li>
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	<li><code>0 <= points[i][1] <= 40000</code></li>
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	<li>所有的点都是不同的。</li>
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	<li>与真实值误差不超过 <code>10^-5</code> 的答案将视为正确结果。</li>
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</ol>
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