56 lines
945 B
Markdown
56 lines
945 B
Markdown
---
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id: 5900f44b1000cf542c50ff5e
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challengeType: 5
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title: 'Problem 223: Almost right-angled triangles I'
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videoUrl: ''
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localeTitle: 问题223：几乎是直角三角形I.
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---
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## Description
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<section id="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。 <p>有多少个几乎没有锐角的三角形，周长≤25,000,000？ </p></section>
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## Instructions
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<section id="instructions">
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</section>
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## Tests
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<section id='tests'>
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```yml
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tests:
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- text: <code>euler223()</code>应该返回61614848。
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testString: 'assert.strictEqual(euler223(), 61614848, "<code>euler223()</code> should return 61614848.");'
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```
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</section>
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## Challenge Seed
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<section id='challengeSeed'>
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<div id='js-seed'>
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```js
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function euler223() {
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// Good luck!
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return true;
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}
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euler223();
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```
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</div>
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</section>
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## Solution
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<section id='solution'>
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```js
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// solution required
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```
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</section>
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