56 lines
1.1 KiB
Markdown
56 lines
1.1 KiB
Markdown
---
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id: 5900f3bc1000cf542c50fecf
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challengeType: 5
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title: 'Problem 80: Square root digital expansion'
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videoUrl: ''
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localeTitle: 问题80：平方根数字扩展
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---
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## Description
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<section id="description">众所周知，如果自然数的平方根不是整数，那么它是不合理的。这种平方根的十进制扩展是无限的，没有任何重复模式。二的平方根是1.41421356237309504880 ...，前一百个十进制数字的数字和是475.对于前一百个自然数，找到所有的前一百个十进制数字的数字总和的总和。不合理的平方根。 </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>euler80()</code>应返回40886。
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testString: 'assert.strictEqual(euler80(), 40886, "<code>euler80()</code> should return 40886.");'
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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 euler80() {
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// Good luck!
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return true;
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}
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euler80();
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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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