Index Pairs of a String
Explore how to implement and use trie data structures to find all index pairs of substrings within a given text that appear in a list of unique words. Understand how to return these pairs sorted by their starting and ending indices, enhancing your problem-solving skills for string search challenges in coding interviews.
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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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