freeCodeCamp/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-247-squares-under-a...

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---
id: 5900f4641000cf542c50ff76
challengeType: 5
videoUrl: ''
title: 问题247双曲线下的正方形
---
## Description
<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>
## Instructions
<section id="instructions">
</section>
## Tests
<section id='tests'>
```yml
tests:
- text: <code>euler247()</code>应该返回782252。
testString: assert.strictEqual(euler247(), 782252);
```
</section>
## Challenge Seed
<section id='challengeSeed'>
<div id='js-seed'>
```js
function euler247() {
// Good luck!
return true;
}
euler247();
```
</div>
</section>
## Solution
<section id='solution'>
```js
// solution required
```
/section>