80 lines
3.3 KiB
Markdown
80 lines
3.3 KiB
Markdown
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---
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id: a3f503de51cf954ede28891d
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title: Find the Symmetric Difference
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challengeType: 5
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videoUrl: ''
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localeTitle: ''
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---
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## Description
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undefined
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## Instructions
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undefined
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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: ''
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testString: 'assert.sameMembers(sym([1, 2, 3], [5, 2, 1, 4]), [3, 4, 5], "<code>sym([1, 2, 3], [5, 2, 1, 4])</code> should return <code>[3, 4, 5]</code>.");'
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- text: ''
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testString: 'assert.equal(sym([1, 2, 3], [5, 2, 1, 4]).length, 3, "<code>sym([1, 2, 3], [5, 2, 1, 4])</code> should contain only three elements.");'
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- text: ''
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testString: 'assert.sameMembers(sym([1, 2, 3, 3], [5, 2, 1, 4]), [3, 4, 5], "<code>sym([1, 2, 3, 3], [5, 2, 1, 4])</code> should return <code>[3, 4, 5]</code>.");'
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- text: ''
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testString: 'assert.equal(sym([1, 2, 3, 3], [5, 2, 1, 4]).length, 3, "<code>sym([1, 2, 3, 3], [5, 2, 1, 4])</code> should contain only three elements.");'
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- text: ''
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testString: 'assert.sameMembers(sym([1, 2, 3], [5, 2, 1, 4, 5]), [3, 4, 5], "<code>sym([1, 2, 3], [5, 2, 1, 4, 5])</code> should return <code>[3, 4, 5]</code>.");'
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- text: ''
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testString: 'assert.equal(sym([1, 2, 3], [5, 2, 1, 4, 5]).length, 3, "<code>sym([1, 2, 3], [5, 2, 1, 4, 5])</code> should contain only three elements.");'
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- text: ''
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testString: 'assert.sameMembers(sym([1, 2, 5], [2, 3, 5], [3, 4, 5]), [1, 4, 5], "<code>sym([1, 2, 5], [2, 3, 5], [3, 4, 5])</code> should return <code>[1, 4, 5]</code>");'
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- text: ''
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testString: 'assert.equal(sym([1, 2, 5], [2, 3, 5], [3, 4, 5]).length, 3, "<code>sym([1, 2, 5], [2, 3, 5], [3, 4, 5])</code> should contain only three elements.");'
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- text: ''
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testString: 'assert.sameMembers(sym([1, 1, 2, 5], [2, 2, 3, 5], [3, 4, 5, 5]), [1, 4, 5], "<code>sym([1, 1, 2, 5], [2, 2, 3, 5], [3, 4, 5, 5])</code> should return <code>[1, 4, 5]</code>.");'
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- text: ''
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testString: 'assert.equal(sym([1, 1, 2, 5], [2, 2, 3, 5], [3, 4, 5, 5]).length, 3, "<code>sym([1, 1, 2, 5], [2, 2, 3, 5], [3, 4, 5, 5])</code> should contain only three elements.");'
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- text: ''
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testString: 'assert.sameMembers(sym([3, 3, 3, 2, 5], [2, 1, 5, 7], [3, 4, 6, 6], [1, 2, 3]), [2, 3, 4, 6, 7], "<code>sym([3, 3, 3, 2, 5], [2, 1, 5, 7], [3, 4, 6, 6], [1, 2, 3])</code> should return <code>[2, 3, 4, 6, 7]</code>.");'
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- text: ''
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testString: 'assert.equal(sym([3, 3, 3, 2, 5], [2, 1, 5, 7], [3, 4, 6, 6], [1, 2, 3]).length, 5, "<code>sym([3, 3, 3, 2, 5], [2, 1, 5, 7], [3, 4, 6, 6], [1, 2, 3])</code> should contain only five elements.");'
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- text: ''
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testString: 'assert.sameMembers(sym([3, 3, 3, 2, 5], [2, 1, 5, 7], [3, 4, 6, 6], [1, 2, 3], [5, 3, 9, 8], [1]), [1, 2, 4, 5, 6, 7, 8, 9], "<code>sym([3, 3, 3, 2, 5], [2, 1, 5, 7], [3, 4, 6, 6], [1, 2, 3], [5, 3, 9, 8], [1])</code> should return <code>[1, 2, 4, 5, 6, 7, 8, 9]</code>.");'
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- text: ''
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testString: 'assert.equal(sym([3, 3, 3, 2, 5], [2, 1, 5, 7], [3, 4, 6, 6], [1, 2, 3], [5, 3, 9, 8], [1]).length, 8, "<code>sym([3, 3, 3, 2, 5], [2, 1, 5, 7], [3, 4, 6, 6], [1, 2, 3], [5, 3, 9, 8], [1])</code> should contain only eight elements.");'
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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 sym(args) {
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return args;
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}
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sym([1, 2, 3], [5, 2, 1, 4]);
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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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