2018-10-10 18:03:03 -04:00
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---
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id: 5900f5021000cf542c510014
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challengeType: 5
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videoUrl: ''
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2020-10-01 17:54:21 +02:00
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title: 问题405：矩形平铺
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2018-10-10 18:03:03 -04:00
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---
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## Description
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<section id="description">我们希望平铺一个长度是其宽度两倍的矩形。设T（0）为由单个矩形组成的平铺。对于n> 0，通过以下列方式替换所有瓦片，从T（n-1）获得T（n）： <p>以下动画演示了从0到5的n的倾斜T（n）： </p><p>设f（n）是四个瓦片在T（n）中相交的点数。例如，f（1）= 0，f（4）= 82并且f（109）mod 177 = 126897180。 </p><p>找到f（10k）为k = 1018，给出你的答案模数为177。 </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>euler405()</code>应返回237696125。
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2020-02-18 01:40:55 +09:00
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testString: assert.strictEqual(euler405(), 237696125);
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2018-10-10 18:03:03 -04:00
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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 euler405() {
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// Good luck!
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return true;
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}
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euler405();
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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 17:24:35 +02:00
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/section>
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