Solution: Index Pairs of a String
Explore the use of trie data structures to match substrings within a given text based on a list of words. Learn how to build and traverse a trie to efficiently find all start and end indexes of matching substrings. This lesson helps you apply this pattern to optimize substring search problems commonly encountered in coding interviews.
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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 sorted order, first by the value of i, and if two pairs have the same i, by the value of j.
Constraints:
text.lengthwords.length...