Oliver Eyton-Williams ee1e8abd87
feat(curriculum): restore seed + solution to Chinese (#40683)
* feat(tools): add seed/solution restore script

* chore(curriculum): remove empty sections' markers

* chore(curriculum): add seed + solution to Chinese

* chore: remove old formatter

* fix: update getChallenges

parse translated challenges separately, without reference to the source

* chore(curriculum): add dashedName to English

* chore(curriculum): add dashedName to Chinese

* refactor: remove unused challenge property 'name'

* fix: relax dashedName requirement

* fix: stray tag

Remove stray `pre` tag from challenge file.

Signed-off-by: nhcarrigan <nhcarrigan@gmail.com>

Co-authored-by: nhcarrigan <nhcarrigan@gmail.com>
2021-01-12 19:31:00 -07:00

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---
id: 5900f5151000cf542c510028
title: 问题425主要连接
challengeType: 5
videoUrl: ''
dashedName: problem-425-prime-connection
---
# --description--
如果满足以下条件之一则称两个正数A和B被连接用“ A↔B”表示
1A和B的长度相同且仅相差一位数 例如123↔173。
2在A或B的左边加一位使B或A成为数字 例如23↔223和123↔23。
如果在2和P之间存在连接的素数链并且链中没有素数超过P则我们称素数为P a 2的相对数。
例如127是2的亲戚。 可能的链之一如下所示: 2分3分13分113分103分107分127 但是11和103不是2的亲戚。
令FN为素数≤N的和它们不是2的相对数。 我们可以验证F103= 431和F104= 78728。
找出F107
# --hints--
`euler425()`应该返回46479497324。
```js
assert.strictEqual(euler425(), 46479497324);
```
# --seed--
## --seed-contents--
```js
function euler425() {
return true;
}
euler425();
```
# --solutions--
```js
// solution required
```