61460c8601
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63 lines
947 B
Markdown
63 lines
947 B
Markdown
---
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id: 5900f4af1000cf542c50ffc1
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challengeType: 5
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title: 'Problem 322: Binomial coefficients divisible by 10'
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videoUrl: ''
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localeTitle: 问题322：二项式系数可被10整除
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---
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## Description
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<section id="description">
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Let T(m, n) be the number of the binomial coefficients iCn that are divisible by 10 for n ≤ i < m(i, m and n are positive integers).
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You are given that T(109, 107-10) = 989697000.
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Find T(1018, 1012-10).
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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>euler322()</code>应该返回999998760323314000。
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testString: assert.strictEqual(euler322(), 999998760323314000);
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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 euler322() {
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// Good luck!
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return true;
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}
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euler322();
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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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