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Quick Summary

Design a routing system that maps URL patterns to handler functions using exact segments and a single-segment wildcard.
Return the handler for the most specific match, prioritizing patterns with fewer wildcards.
Support dynamic registration and efficient querying under moderate call volumes.

What This Tests

Hierarchical data structure implementation
Pattern matching with constrained wildcards
Priority-based result selection during traversal
String segmentation and state tracking

Common Patterns

Trie

DFS/BFS

Hashing

Test Cases

Input

Output

Expected