Ace the Rust Interview

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Single number via XOR

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

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

Prompt

fn single_number(nums: &[i32]) -> i32 — every element appears twice except one; find it in O(n) time / O(1) space.