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4.1 (62 votes)

Approved

Binary search

Hash maps

Medium

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String manipulation

Problem

81% Success 5628 Attempts 30 Points 2s Time Limit 256MB Memory 1024 KB Max Code

You are given a string S . Find the length of its the longest substring which occurs at least two times. Occurences can intersect. Input One line containing a string S consisting of lowercase Latin letters. Output Output one integer - answer to the question. Constraints 1 <= length of S <= 1000000

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