Ace the Rust Interview

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The curriculum, drills, tutor, and interviewer mode are for readers of Ace the Rust Interview. The code is printed in the Preface (Companion site access).

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intermediate · order 85

Longest substring without repeat

hash-window-01Related book chapters: 16 (optional — this page is complete on its own)sliding-windowstring

Slug: hash-window-01 · Paired reading: Chapter 16

Prompt

fn length_of_longest_substring(s: &str) -> usize — longest substring of bytes with all unique bytes (ASCII-oriented drill). Variable sliding window

  • last-seen index map.