LeetCode Experience

#3481 Apply Substitutions

Interview Experience

LeetCode #3481: Apply Substitutions. Difficulty: Medium. Topics: Array, Hash Table, String, Depth-First Search, Breadth-First Search, Graph Theory, Topological Sort. Asked at Google in the last 6 months.

Original Source

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Topics

Breadth-First Search Depth-First Search Graph Theory Topological Sort Arrays Graph Hash Table Strings