freeCodeCamp/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-91-right-triangles-with-integer-coordinates.md

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---
id: 5900f3c71000cf542c50feda
title: 问题91带有整数坐标的直角三角形
challengeType: 5
videoUrl: ''
---
# --description--
点Px1y1和Qx2y2绘制在整数坐标处并连接到原点O0,0以形成ΔOPQ。
正好有十四个三角形包含一个直角当每个坐标位于0和2之间时可以形成直角;即0≤x1y1x2y2≤2。
假设0≤x1y1x2y2≤50可以形成多少个直角三角形
# --hints--
`euler91()`应返回`euler91()`
```js
assert.strictEqual(euler91(), 14234);
```
# --solutions--