ee1e8abd87
* 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>
43 lines
711 B
Markdown
43 lines
711 B
Markdown
---
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id: 5900f4c31000cf542c50ffd5
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title: 问题342：正方形的总数是一个立方体
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challengeType: 5
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videoUrl: ''
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dashedName: problem-342-the-totient-of-a-square-is-a-cube
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---
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# --description--
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考虑数字50. 502 = 2500 = 22×54，因此φ（2500）= 2×4×53 = 8×53 = 23×53.1因此2500是正方形而φ（2500）是立方体。
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找到所有数字的总和n，1 <n <1010，使得φ（n2）是立方体。
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1φ表示欧拉的函数。
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# --hints--
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`euler342()`应该返回5943040885644。
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```js
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assert.strictEqual(euler342(), 5943040885644);
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```
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# --seed--
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## --seed-contents--
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```js
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function euler342() {
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return true;
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}
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euler342();
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```
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# --solutions--
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```js
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// solution required
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```
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