56 lines
1.2 KiB
Markdown
56 lines
1.2 KiB
Markdown
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---
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id: 5900f4641000cf542c50ff76
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challengeType: 5
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videoUrl: ''
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localeTitle: 问题247：双曲线下的正方形
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---
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## Description
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<section id="description">考虑受1≤x且0≤y≤1/ x约束的区域。 <p>设S1是可以适应曲线的最大正方形。设S2是适合其余区域的最大正方形，依此类推。设Sn的指数是表示Sn左边的方格数和Sn以下的方格数的对（左下）。 </p><p>该图显示了一些用数字标记的方格。 S2左边有一个正方形，下面没有正方形，所以S2的索引是（1,0）。可以看出，S32的索引是（1,1），也是S50的索引。 50是Sn的指数为（1,1）的最大n。 </p><p> Sn指数为（3,3）的最大n是多少？ </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>euler247()</code>应该返回782252。
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testString: assert.strictEqual(euler247(), 782252);
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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 euler247() {
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// Good luck!
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return true;
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}
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euler247();
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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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