algorithm - Longest common substring with constant memory? -

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Given two strings - How can you find the longest normal object using only continuous memory?

Update: The constraints of time are solved in O (len1 * len2) like standard dynamic-programming solution.

constant memory and no time constraint ?

Just a cruel power method: Compare all the possibilities, keep only 6 integer indexed in memory: start and expiration for both strings, Plus 2 found so far for the longest string ...


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