permutations python
import itertools
print(list(itertools.permutations([1,2,3])))permutations python
import itertools
print(list(itertools.permutations([1,2,3])))how to find all permutations of an array with javascript
function getArrayMutations(arr, perms = [], len = arr.length) {
if (len === 1) perms.push(arr.slice(0))
for (let i = 0; i < len; i++) {
getArrayMutations(arr, perms, len - 1)
len % 2 // parity dependent adjacent elements swap
? [arr[0], arr[len - 1]] = [arr[len - 1], arr[0]]
: [arr[i], arr[len - 1]] = [arr[len - 1], arr[i]]
}
return perms
}Copyright © 2021 Codeinu
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