Practice Databricks Coding Question | Real Coding Interviews

Quick Summary

Implement a firewall class that evaluates IPv4 addresses against an ordered list of ALLOW/DENY rules.
Rules can specify single hosts or CIDR blocks, with decision priority determined strictly by insertion order.
Return true or false based on the action of the first rule that matches the queried IP.

What This Tests

Common Patterns

Bit Manipulation

Accepted

3.9k/10.1k

Acceptance Rate38.6%

Test Cases

Input

Output

Expected