freeCodeCamp/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-113-non-bouncy-numb...

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---
id: 5900f3dd1000cf542c50fef0
title: 问题113非弹性数字
challengeType: 5
videoUrl: ''
dashedName: problem-113-non-bouncy-numbers
---
# --description--
如果左边的数字没有超过数字,则从左到右工作,称为递增数字;例如134468。同样如果右边的数字没有超过数字则称为递减数字;例如66420。我们将调用一个既不增加也不减少“有弹性”数的正整数;例如随着n的增加低于n的弹性数的比例增加使得只有12951个数字低于一百万个而不是有弹性而只有277032个非有弹性的数字低于1010.一个数量低于一个googol10100 )是不是有弹性?
# --hints--
`euler113()`应该返回51161058134250。
```js
assert.strictEqual(euler113(), 51161058134250);
```
# --seed--
## --seed-contents--
```js
function euler113() {
return true;
}
euler113();
```
# --solutions--
```js
// solution required
```