56 lines
927 B
Markdown
56 lines
927 B
Markdown
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---
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id: 5900f42f1000cf542c50ff41
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challengeType: 5
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title: 'Problem 193: Squarefree Numbers'
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videoUrl: ''
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localeTitle: 问题193：无广场数字
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---
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## Description
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<section id="description">如果没有素数的平方除n，则正整数n称为squarefree，因此1,2,3,5,6,7,10,11是无平方的，但不是4,8,9,12。 <p> 250以下有多少平方数？ </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>euler193()</code>应该返回684465067343069。
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testString: 'assert.strictEqual(euler193(), 684465067343069, "<code>euler193()</code> should return 684465067343069.");'
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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 euler193() {
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// Good luck!
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return true;
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}
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euler193();
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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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