56 lines
1.4 KiB
Markdown
56 lines
1.4 KiB
Markdown
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---
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id: 5900f4291000cf542c50ff3c
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challengeType: 5
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title: 'Problem 189: Tri-colouring a triangular grid'
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videoUrl: ''
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localeTitle: 问题189:三角网格三色
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---
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## Description
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<section id="description">考虑以下64个三角形的配置: <p>我们希望用三种颜色中的一种为每个三角形的内部着色:红色,绿色或蓝色,这样就不会有两个相邻的三角形具有相同的颜色。这种着色应称为有效。这里,如果两个三角形共享边缘,则称它们是相邻的。注意:如果它们只共享一个顶点,那么它们不是邻居。 </p><p>例如,以下是上面网格的有效着色: </p><p>通过旋转或反射从着色C获得的着色C'被认为与C不同,除非两者相同。 </p><p>上述配置有多少种不同的有效着色? </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>euler189()</code>应该返回10834893628237824。
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testString: 'assert.strictEqual(euler189(), 10834893628237824, "<code>euler189()</code> should return 10834893628237824.");'
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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 euler189() {
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// Good luck!
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return true;
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}
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euler189();
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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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</section>
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