chore(i8n,learn): processed translations

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Crowdin Bot
2021-02-06 04:42:36 +00:00
committed by Mrugesh Mohapatra
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commit e5c44a3ae5
3274 changed files with 172122 additions and 14164 deletions

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---
id: 5900f4411000cf542c50ff54
title: 'Problem 213: Flea Circus'
challengeType: 5
forumTopicId: 301855
dashedName: problem-213-flea-circus
---
# --description--
A 30×30 grid of squares contains 900 fleas, initially one flea per square.
When a bell is rung, each flea jumps to an adjacent square at random (usually 4 possibilities, except for fleas on the edge of the grid or at the corners).
What is the expected number of unoccupied squares after 50 rings of the bell? Give your answer rounded to six decimal places.
# --hints--
`euler213()` should return 330.721154.
```js
assert.strictEqual(euler213(), 330.721154);
```
# --seed--
## --seed-contents--
```js
function euler213() {
return true;
}
euler213();
```
# --solutions--
```js
// solution required
```