69 lines
997 B
Markdown
69 lines
997 B
Markdown
---
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id: 5900f4931000cf542c50ffa5
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challengeType: 5
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videoUrl: ''
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title: 问题294：数字总和-经验＃23
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---
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## Description
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<section id="description">
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对于正整数k，将d（k）定义为通常的十进制表示形式中k的位数之和。
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因此d（42）= 4 + 2 = 6。
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对于正整数n，将S（n）定义为具有以下属性的正整数k <10n的数量：
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k可被23整除
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d（k）= 23。
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给出S（9）= 263626和S（42）= 6377168878570056。
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找到S（1112）并给出答案mod 109。
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</section>
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## Instructions
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<section id="instructions">
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</section>
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## Tests
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<section id='tests'>
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```yml
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tests:
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- text: <code>euler294()</code>应该返回789184709。
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testString: assert.strictEqual(euler294(), 789184709);
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```
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</section>
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## Challenge Seed
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<section id='challengeSeed'>
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<div id='js-seed'>
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```js
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function euler294() {
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// Good luck!
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return true;
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}
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euler294();
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```
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</div>
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</section>
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## Solution
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<section id='solution'>
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```js
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// solution required
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```
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/section>
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