LeetCode 1061. Lexicographically Smallest Equivalent String - Interview Prep Ep 130

Why watch

This video explains the solution to LeetCode problem 1061, demonstrating how to use the Union-Find (Disjoint Set) data structure to find a lexicographically smallest equivalent string by mapping characters based on their equivalence relations. The solution involves initializing parent arrays for each letter, performing union operations based on the given base and pond strings, then transforming the base string using the find operation to get the smallest equivalent character. Perfect for developers preparing for technical interviews who want to master the Union-Find pattern for character equivalence problems.