chore(learn): Applied MDX format to Chinese curriculum files (#40462)
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Randell Dawson
GitHub
@ -1,66 +1,172 @@
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---
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id: 599c333915e0ea32d04d4bec
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title: 元素操作
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challengeType: 5
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videoUrl: ''
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title: 元素操作
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---
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## Description
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<section id="description"><p>实现基本的元素矩阵 - 矩阵和标量矩阵运算。 </p><p>实行： </p><p> :: *另外</p><p> :: *减法</p><p> :: *乘法</p><p> :: *分裂</p><p> :: *取幂</p><p>第一个参数是要执行的操作，例如：用于矩阵加法的“m_add”和用于标量加法的“s_add”。第二和第三参数将是要在其上执行操作的矩阵。 </p></section>
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# --description--
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## Instructions
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<section id="instructions">
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</section>
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<p>实现基本的元素矩阵 - 矩阵和标量矩阵运算。 </p><p>实行： </p><p> :: *另外</p><p> :: *减法</p><p> :: *乘法</p><p> :: *分裂</p><p> :: *取幂</p><p>第一个参数是要执行的操作，例如：用于矩阵加法的“m_add”和用于标量加法的“s_add”。第二和第三参数将是要在其上执行操作的矩阵。 </p>
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## Tests
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<section id='tests'>
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# --hints--
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```yml
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tests:
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- text: <code>operation</code>是一种功能。
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testString: assert(typeof operation === 'function');
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- text: <code>operation("m_add",[[1,2],[3,4]],[[1,2],[3,4]])</code>应返回<code>[[2,4],[6,8]]</code> 。
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testString: assert.deepEqual(operation('m_add', [[1, 2], [3, 4]], [[1, 2], [3, 4]]), [[2, 4], [6, 8]]);
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- text: <code>operation("s_add",[[1,2],[3,4]],[[1,2],[3,4]])</code>应返回<code>[[3,4],[5,6]]</code> 。
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testString: assert.deepEqual(operation('s_add', [[1, 2], [3, 4]], 2), [[3, 4], [5, 6]]);
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- text: <code>operation("m_sub",[[1,2],[3,4]],[[1,2],[3,4]])</code>应返回<code>[[0,0],[0,0]]</code> 。
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testString: assert.deepEqual(operation('m_sub', [[1, 2], [3, 4]], [[1, 2], [3, 4]]), [[0, 0], [0, 0]]);
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- text: <code>operation("m_mult",[[1,2],[3,4]],[[1,2],[3,4]])</code>应该返回<code>[[1,4],[9,16]]</code> 。
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testString: assert.deepEqual(operation('m_mult', [[1, 2], [3, 4]], [[1, 2], [3, 4]]), [[1, 4], [9, 16]]);
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- text: <code>operation("m_div",[[1,2],[3,4]],[[1,2],[3,4]])</code>应返回<code>[[1,1],[1,1]]</code> 。
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testString: assert.deepEqual(operation('m_div', [[1, 2], [3, 4]], [[1, 2], [3, 4]]), [[1, 1], [1, 1]]);
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- text: <code>operation("m_exp",[[1,2],[3,4]],[[1,2],[3,4]])</code>应返回<code>[[1,4],[27,256]]</code> 。
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testString: assert.deepEqual(operation('m_exp', [[1, 2], [3, 4]], [[1, 2], [3, 4]]), [[1, 4], [27, 256]]);
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- text: <code>operation("m_add",[[1,2,3,4],[5,6,7,8]],[[9,10,11,12],[13,14,15,16]])</code>应该返回<code>[[10,12,14,16],[18,20,22,24]]</code> 。
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testString: assert.deepEqual(operation('m_add', [[1, 2, 3, 4], [5, 6, 7, 8]], [[9, 10, 11, 12], [13, 14, 15, 16]]), [[10, 12, 14, 16], [18, 20, 22, 24]]);
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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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`operation`是一种功能。
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```js
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function operation (op, arr1, arr2) {
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// Good luck!
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}
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assert(typeof operation === 'function');
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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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`operation("m_add",[[1,2],[3,4]],[[1,2],[3,4]])`应返回`[[2,4],[6,8]]` 。
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```js
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// solution required
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assert.deepEqual(
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operation(
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'm_add',
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[
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[1, 2],
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[3, 4]
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],
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[
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[1, 2],
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[3, 4]
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]
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),
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[
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[2, 4],
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[6, 8]
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]
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);
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```
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/section>
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`operation("s_add",[[1,2],[3,4]],[[1,2],[3,4]])`应返回`[[3,4],[5,6]]` 。
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```js
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assert.deepEqual(
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operation(
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's_add',
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[
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[1, 2],
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[3, 4]
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],
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2
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),
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[
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[3, 4],
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[5, 6]
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]
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);
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```
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`operation("m_sub",[[1,2],[3,4]],[[1,2],[3,4]])`应返回`[[0,0],[0,0]]` 。
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```js
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assert.deepEqual(
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operation(
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'm_sub',
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[
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[1, 2],
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[3, 4]
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],
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[
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[1, 2],
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[3, 4]
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]
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),
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[
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[0, 0],
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[0, 0]
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]
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);
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```
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`operation("m_mult",[[1,2],[3,4]],[[1,2],[3,4]])`应该返回`[[1,4],[9,16]]` 。
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```js
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assert.deepEqual(
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operation(
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'm_mult',
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[
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[1, 2],
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[3, 4]
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],
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[
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[1, 2],
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[3, 4]
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]
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),
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[
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[1, 4],
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[9, 16]
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]
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);
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```
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`operation("m_div",[[1,2],[3,4]],[[1,2],[3,4]])`应返回`[[1,1],[1,1]]` 。
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```js
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assert.deepEqual(
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operation(
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'm_div',
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[
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[1, 2],
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[3, 4]
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],
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[
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[1, 2],
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[3, 4]
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]
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),
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[
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[1, 1],
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[1, 1]
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]
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);
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```
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`operation("m_exp",[[1,2],[3,4]],[[1,2],[3,4]])`应返回`[[1,4],[27,256]]` 。
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```js
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assert.deepEqual(
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operation(
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'm_exp',
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[
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[1, 2],
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[3, 4]
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],
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[
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[1, 2],
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[3, 4]
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]
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),
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[
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[1, 4],
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[27, 256]
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]
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);
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```
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`operation("m_add",[[1,2,3,4],[5,6,7,8]],[[9,10,11,12],[13,14,15,16]])`应该返回`[[10,12,14,16],[18,20,22,24]]` 。
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```js
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assert.deepEqual(
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operation(
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'm_add',
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[
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[1, 2, 3, 4],
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[5, 6, 7, 8]
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],
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[
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[9, 10, 11, 12],
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[13, 14, 15, 16]
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]
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),
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[
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[10, 12, 14, 16],
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[18, 20, 22, 24]
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]
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);
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```
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# --solutions--
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