34 lines
613 B
Markdown
34 lines
613 B
Markdown
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---
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title: Symmetric difference
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---
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# Symmetric difference
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---
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## Solutions
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<details><summary>Solution 1 (Click to Show/Hide)</summary>
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```javascript
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function symmetricDifference(A, B) {
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function relative_complement(A, B) {
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return A.filter(function(elem) {
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return B.indexOf(elem) == -1
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});
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}
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function unique(ary) {
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var u = ary.concat().sort();
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for (var i = 1; i < u.length;) {
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if (u[i - 1] === u[i])
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u.splice(i, 1);
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else
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i++;
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}
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return u;
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}
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return unique(relative_complement(A, B).concat(relative_complement(B, A))).sort();
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}
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```
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</details>
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