56 lines
1.3 KiB
Markdown
56 lines
1.3 KiB
Markdown
|
---
|
|||
|
|
id: 5900f4641000cf542c50ff76
|
|||
|
|
challengeType: 5
|
|||
|
|
title: 'Problem 247: Squares under a hyperbola'
|
|||
|
|
videoUrl: ''
|
|||
|
|
localeTitle: 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, "<code>euler247()</code> should return 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>
|