56 lines
1.4 KiB
Markdown
56 lines
1.4 KiB
Markdown
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---
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id: 5900f3e01000cf542c50fef3
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challengeType: 5
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title: 'Problem 116: Red, green or blue tiles'
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videoUrl: ''
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localeTitle: 问题116:红色,绿色或蓝色瓷砖
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---
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## Description
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<section id="description">一排五个黑色正方形瓷砖是用彩色椭圆形瓷砖代替的,其中红色(长度为2),绿色(长度为3)或蓝色(长度为4)。如果选择红色瓷砖,则可以通过七种方式完成此操作。 <p>如果选择绿色瓷砖,有三种方法。 </p><p>如果选择蓝色瓷砖,有两种方法。 </p><p>假设颜色不能混合,则有7 + 3 + 2 = 12种方式替换长度为五个单位的行中的黑色瓷砖。如果不能混合颜色并且必须使用至少一个彩色瓷砖,那么连续测量五十个单位的黑色瓷砖有多少种不同的方式可以替换?注意:这与问题117有关。 </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>euler116()</code>应该返回20492570929。
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testString: 'assert.strictEqual(euler116(), 20492570929, "<code>euler116()</code> should return 20492570929.");'
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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 euler116() {
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// Good luck!
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return true;
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}
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euler116();
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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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