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Angelos Chalaris
2017-12-13 12:38:12 +02:00
parent 56a20624ef
commit 4bbc98b0ca
1 changed files with 2 additions and 3 deletions
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@ -73,9 +73,8 @@ Base cases are for string `length` equal to `2` or `1`.
```js ```js
const anagrams = str => { const anagrams = str => {
if(str.length <= 2) return str.length === 2 ? [str, str[1] + str[0]] : [str]; if(str.length <= 2) return str.length === 2 ? [str, str[1] + str[0]] : [str];
return str.split('').reduce( (acc, letter, i) => { return str.split('').reduce( (acc, letter, i) =>
return acc.concat(anagrams(str.slice(0, i) + str.slice(i + 1)).map( val => letter + val )); acc.concat(anagrams(str.slice(0, i) + str.slice(i + 1)).map( val => letter + val )), []);
}, []);
} }
// anagrams('abc') -> ['abc','acb','bac','bca','cab','cba'] // anagrams('abc') -> ['abc','acb','bac','bca','cab','cba']
``` ```