2018-10-10 18:03:03 -04:00
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---
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id: 5900f39c1000cf542c50feaf
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2020-12-16 00:37:30 -07:00
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title: 问题48:自我权力
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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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系列,1 <sup>1</sup> + 2 <sup>2</sup> + 3 <sup>3</sup> + ... + 10 <sup>10</sup> = 10405071317.查找该系列的最后十位数字,1 <sup>1</sup> + 2 <sup>2</sup> + 3 <sup>3</sup> + ... + 1000 <sup>1000</sup> 。
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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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`selfPowers(10, 3)`应该返回317。
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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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```js
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assert.strictEqual(selfPowers(10, 3), 317);
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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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`selfPowers(150, 6)`应返回29045。
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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(selfPowers(150, 6), 29045);
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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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`selfPowers(673, 7)`应该返回2473989。
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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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```js
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assert.strictEqual(selfPowers(673, 7), 2473989);
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```
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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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`selfPowers(1000, 10)`应该返回9110846700。
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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(selfPowers(1000, 10), 9110846700);
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2018-10-10 18:03:03 -04:00
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```
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2020-08-13 17:24:35 +02:00
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2020-12-16 00:37:30 -07:00
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# --solutions--
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