2018-10-10 22:03:03 +00:00
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---
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id: 5900f3dd1000cf542c50fef0
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2020-12-16 07:37:30 +00:00
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title: 问题113:非弹性数字
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2018-10-10 22:03:03 +00:00
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challengeType: 5
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videoUrl: ''
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2021-01-13 02:31:00 +00:00
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dashedName: problem-113-non-bouncy-numbers
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2018-10-10 22:03:03 +00:00
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---
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2020-12-16 07:37:30 +00:00
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# --description--
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2018-10-10 22:03:03 +00:00
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2020-12-16 07:37:30 +00:00
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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googol(10100) )是不是有弹性?
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2018-10-10 22:03:03 +00:00
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2020-12-16 07:37:30 +00:00
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# --hints--
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2018-10-10 22:03:03 +00:00
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2020-12-16 07:37:30 +00:00
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`euler113()`应该返回51161058134250。
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2018-10-10 22:03:03 +00:00
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```js
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2020-12-16 07:37:30 +00:00
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assert.strictEqual(euler113(), 51161058134250);
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2018-10-10 22:03:03 +00:00
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```
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2021-01-13 02:31:00 +00:00
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# --seed--
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## --seed-contents--
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```js
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function euler113() {
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return true;
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}
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euler113();
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```
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2020-12-16 07:37:30 +00:00
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# --solutions--
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2020-08-13 15:24:35 +00:00
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2021-01-13 02:31:00 +00:00
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```js
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// solution required
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```
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