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subsequences
Subhajit Sahu edited this page May 3, 2023
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23 revisions
Obtain all possible subsequences.
Alternatives: isubsequences, subsequences.
Similar: randomSubsequence, subsequences, hasSubsequence, searchSubsequence.
function subsequences(x, n)
// x: an array
// n: number of values [-1 ⇒ any]const xarray = require('extra-array');
xarray.subsequences([1, 2]);
// → [ [], [ 1 ], [ 2 ], [ 1, 2 ] ]
xarray.subsequences([1, 2, 3]);
// → [
// [], [ 1 ],
// [ 2 ], [ 1, 2 ],
// [ 3 ], [ 1, 3 ],
// [ 2, 3 ], [ 1, 2, 3 ]
// ]