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Subsets via bit masks

bit-subset-01Related book chapters: 23 (optional — this page is complete on its own)bitmask

Slug: bit-subset-01 · Paired reading: Chapter 23

Prompt

fn subsets_mask(nums: &[i32]) -> Vec<Vec<i32>> — power set via masks 0..(1<<n) (n ≤ 20). Same contents as backtracking subsets (order free).