freeCodeCamp/curriculum/challenges/chinese/08-coding-interview-prep/project-euler/problem-223-almost-right-angled-triangles-i.chinese.md

id	challengeType	title	videoUrl	localeTitle
5900f44b1000cf542c50ff5e	5	Problem 223: Almost right-angled triangles I		问题223：几乎是直角三角形I.

Description

如果边满足a2 + b2 = c2 + 1，让我们称一个整数边三角形，边a≤b≤c几乎不是锐角。

有多少个几乎没有锐角的三角形，周长≤25,000,000？

Instructions

Tests

tests:
  - text: <code>euler223()</code>应该返回61614848。
    testString: 'assert.strictEqual(euler223(), 61614848, "<code>euler223()</code> should return 61614848.");'

Challenge Seed

function euler223() {
  // Good luck!
  return true;
}

euler223();

Solution

// solution required