and the magic here is that we can do this with zero back-and-forth movement. we find the matches with two linear scans, one right to left to mark exactly where the matches start, and one left to right to eliminate overlap. right to left sweep marks all matches in a single pass. it’s completely deterministic, every possible future has been accounted for, and we just let the automaton do its thing.
"That's when the body doubles, hand doubles, back doubles come in handy."
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Фото: Пати Амирбекова / «Лента.ру»
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