2018-10-10 22:03:03 +00:00
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---
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id: 5900f4f61000cf542c510008
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challengeType: 5
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videoUrl: ''
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2020-10-01 15:54:21 +00:00
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title: 问题393:迁移蚂蚁
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2018-10-10 22:03:03 +00:00
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---
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## Description
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<section id="description"> n×n正方形网格包含n2个蚂蚁,每平方一个蚂蚁。所有蚂蚁决定同时移动到相邻的广场(通常有4种可能,除了网格边缘或角落处的蚂蚁)。我们将f(n)定义为在没有任何蚂蚁在同一个正方形上结束并且没有任何两个蚂蚁穿过两个正方形之间的相同边缘时可以发生的方式的数量。 <p>给出f(4)= 88.求f(10)。 </p></section>
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## Instructions
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<section id="instructions">
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</section>
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## Tests
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<section id='tests'>
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```yml
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tests:
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- text: <code>euler393()</code>应该返回112398351350823100。
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2020-02-17 16:40:55 +00:00
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testString: assert.strictEqual(euler393(), 112398351350823100);
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2018-10-10 22:03:03 +00:00
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```
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</section>
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## Challenge Seed
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<section id='challengeSeed'>
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<div id='js-seed'>
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```js
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function euler393() {
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// Good luck!
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return true;
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}
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euler393();
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```
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</div>
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</section>
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## Solution
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<section id='solution'>
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```js
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// solution required
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```
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2020-08-13 15:24:35 +00:00
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/section>
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