56 lines
1.3 KiB
Markdown
56 lines
1.3 KiB
Markdown
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---
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id: 5900f4e01000cf542c50fff2
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challengeType: 5
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title: 'Problem 371: Licence plates'
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videoUrl: ''
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localeTitle: 问题371：车牌
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---
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## Description
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<section id="description">俄勒冈车牌由三个字母后跟一个三位数组成（每个数字可以是[0..9]）。开车上班时，赛斯玩下面的游戏：每当他旅行中看到的两个牌照的数量增加到1000就是胜利。 <p>例如，MIC-012和HAN-988也是胜利，RYU-500和SET-500也是如此。 （只要他在同一次旅行中看到他们）。 </p><p>找到他想要获胜的预期牌照数量。将您的答案四舍五入到小数点后面的小数点后8位。 </p><p>注意：我们假设所看到的每个牌照同样可能有三位数字。 </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>euler371()</code>应返回40.66368097。
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testString: 'assert.strictEqual(euler371(), 40.66368097, "<code>euler371()</code> should return 40.66368097.");'
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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 euler371() {
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// Good luck!
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return true;
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}
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euler371();
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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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