2018-10-10 18:03:03 -04:00
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---
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id: 5900f4671000cf542c50ff79
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2020-12-16 00:37:30 -07:00
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title: 问题249：Prime子集总和
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2018-10-10 18:03:03 -04:00
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challengeType: 5
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videoUrl: ''
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---
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2020-12-16 00:37:30 -07:00
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# --description--
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2018-10-10 18:03:03 -04:00
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2020-12-16 00:37:30 -07:00
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令S = {2,3,5，...，4999}为小于5000的素数集。求出S的子集数，其元素之和为素数。输入最右边的16位数字作为答案。
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2018-10-10 18:03:03 -04:00
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2020-12-16 00:37:30 -07:00
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# --hints--
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2018-10-10 18:03:03 -04:00
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2020-12-16 00:37:30 -07:00
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`euler249()`应该返回9275262564250418。
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2018-10-10 18:03:03 -04:00
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```js
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2020-12-16 00:37:30 -07:00
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assert.strictEqual(euler249(), 9275262564250418);
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2018-10-10 18:03:03 -04:00
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```
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2020-12-16 00:37:30 -07:00
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# --solutions--
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2020-08-13 17:24:35 +02:00
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