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>
39 lines
566 B
Markdown
39 lines
566 B
Markdown
---
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id: 5900f48f1000cf542c50ffa1
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title: 'Problem 290: Digital Signature'
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challengeType: 5
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forumTopicId: 301942
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dashedName: problem-290-digital-signature
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---
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# --description--
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How many integers 0 ≤ n < 1018 have the property that the sum of the digits of n equals the sum of digits of 137n?
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# --hints--
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`euler290()` should return 20444710234716470.
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```js
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assert.strictEqual(euler290(), 20444710234716470);
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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 euler290() {
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return true;
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}
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euler290();
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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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