Practice Coding Question | Real Coding Interviews | Hack2hire

NewML System Design & SQL tracks just landedSee what's new

Question Bank Pricing Blog Forum

Quick Summary

Parse a CIDR string into a contiguous numeric IP range.
Implement a stateful iterator that yields addresses at a fixed interval.
Ensure iteration always begins at the aligned network address.

What This Tests

Bit manipulation and integer arithmetic for IP conversion
Stateful iterator design and boundary tracking
String parsing and formatted output generation
Memory-efficient traversal of large numeric intervals

Common Patterns

Bit Manipulation

Accepted

2.8k/8.5k

Acceptance Rate33.2%

Test Cases

Input

Output

Expected