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Feat: add new Markdown parser (#39800)

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and change all the challenges to new `md` format.
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Oliver Eyton-Williams
2020-11-27 19:02:05 +01:00
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commit 0bd52f8bd1
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curriculum/challenges/english/10-coding-interview-prep/project-euler/problem-371-licence-plates.md
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@ -1,48 +1,35 @@
---
id: 5900f4e01000cf542c50fff2
challengeType: 5
title: 'Problem 371: Licence plates'
challengeType: 5
forumTopicId: 302033
---
## Description
<section id='description'>
Oregon licence plates consist of three letters followed by a three digit number (each digit can be from [0..9]).
While driving to work Seth plays the following game:
Whenever the numbers of two licence plates seen on his trip add to 1000 that's a win.
# --description--
Oregon licence plates consist of three letters followed by a three digit number (each digit can be from \[0..9]).
While driving to work Seth plays the following game:
Whenever the numbers of two licence plates seen on his trip add to 1000 that's a win.
E.g. MIC-012 and HAN-988 is a win and RYU-500 and SET-500 too. (as long as he sees them in the same trip).
Find the expected number of plates he needs to see for a win.
Give your answer rounded to 8 decimal places behind the decimal point.
Find the expected number of plates he needs to see for a win. Give your answer rounded to 8 decimal places behind the decimal point.
Note: We assume that each licence plate seen is equally likely to have any three digit number on it.
</section>
## Instructions
<section id='instructions'>
# --hints--
</section>
## Tests
<section id='tests'>
```yml
tests:
- text: <code>euler371()</code> should return 40.66368097.
testString: assert.strictEqual(euler371(), 40.66368097);
`euler371()` should return 40.66368097.
```js
assert.strictEqual(euler371(), 40.66368097);
```
</section>
# --seed--
## Challenge Seed
<section id='challengeSeed'>
<div id='js-seed'>
## --seed-contents--
```js
function euler371() {
@ -53,17 +40,8 @@ function euler371() {
euler371();
```
</div>
</section>
## Solution
<section id='solution'>
# --solutions--
```js
// solution required
```
</section>