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37 lines
1.5 KiB
HTML
37 lines
1.5 KiB
HTML
<p>给你一个整数数组 <code>distance</code><em> </em>。</p>
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<p>从 <strong>X-Y</strong> 平面上的点 <code>(0,0)</code> 开始，先向北移动 <code>distance[0]</code> 米，然后向西移动 <code>distance[1]</code> 米，向南移动 <code>distance[2]</code> 米，向东移动 <code>distance[3]</code> 米，持续移动。也就是说，每次移动后你的方位会发生逆时针变化。</p>
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<p>判断你所经过的路径是否相交。如果相交，返回 <code>true</code> ；否则，返回 <code>false</code> 。</p>
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<p> </p>
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<p><strong>示例 1：</strong></p>
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<img alt="" src="https://assets.leetcode.com/uploads/2021/03/14/selfcross1-plane.jpg" style="width: 400px; height: 435px;" />
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<pre>
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<strong>输入：</strong>distance = [2,1,1,2]
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<strong>输出：</strong>true
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</pre>
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<p><strong>示例 2：</strong></p>
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<img alt="" src="https://assets.leetcode.com/uploads/2021/03/14/selfcross2-plane.jpg" style="width: 400px; height: 435px;" />
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<pre>
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<strong>输入：</strong>distance = [1,2,3,4]
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<strong>输出：</strong>false
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</pre>
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<p><strong>示例 3：</strong></p>
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<img alt="" src="https://assets.leetcode.com/uploads/2021/03/14/selfcross3-plane.jpg" style="width: 400px; height: 435px;" />
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<pre>
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<strong>输入：</strong>distance = [1,1,1,1]
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<strong>输出：</strong>true</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 <= distance.length <= 10<sup>5</sup></code></li>
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<li><code>1 <= distance[i] <= 10<sup>5</sup></code></li>
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</ul>
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