freeCodeCamp/curriculum/challenges/chinese/08-coding-interview-prep/project-euler/problem-456-triangles-conta...

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---
id: 5900f5351000cf542c510047
challengeType: 5
title: 'Problem 456: Triangles containing the origin II'
videoUrl: ''
localeTitle: ''
---
## Description
<section id="description">定义xn =1248n mod 32323 - 16161yn =8421n mod 30103 - 15051 Pn = {x1y1x2y2...xnyn} <p>例如P8 = { - 14913-6630 - 10161,56255226,118898340-1077815852-5203 - 15165,11295 - 1427-1449512407,1060}。 </p><p>设Cn是顶点在Pn中的三角形的数量其中包含内部的原点。 </p><p>示例C8= 20 C600= 8950634 C40 000= 2666610948988 </p><p>找到C2 000 000</p></section>
## Instructions
<section id="instructions">
</section>
## Tests
<section id='tests'>
```yml
tests:
- text: <code>euler456()</code>应返回333333208685971500。
testString: 'assert.strictEqual(euler456(), 333333208685971500, "<code>euler456()</code> should return 333333208685971500.");'
```
</section>
## Challenge Seed
<section id='challengeSeed'>
<div id='js-seed'>
```js
function euler456() {
// Good luck!
return true;
}
euler456();
```
</div>
</section>
## Solution
<section id='solution'>
```js
// solution required
```
</section>