Index Pairs of a String
Explore how to efficiently find all index pairs of substrings from a list of words within a given string. Learn to implement and use trie data structures to optimize search operations, preparing you for coding interview challenges involving string matching.
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We'll cover the following...
Statement
Given a string text and an array of strings words, return a list of all index pairs [i, j] such that the substring text[i...j] is present in words.
Return the pairs [i, j] in a sorted order, first by the value of i, and if two pairs have the same i, by the value of j.
Constraints:
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