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Leetcode Problem 833. Find And Replace in String

833. Find And Replace in String

Leetcode Solutions

Replace Substrings from Right to Left

  1. Create a list of tuples (index, source, target) by zipping indices, sources, and targets together.
  2. Sort the list of tuples in descending order by index.
  3. Iterate over the sorted list of tuples. a. For each tuple, extract index, source, and target. b. Check if s[index:index+len(source)] matches source. c. If it matches, replace the substring in s with target.
  4. Return the modified string s.
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Piece Table Approach for String Replacement

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