Powershell 3 Cmdlets Hackerrank Solution Apr 2026

She had tried loops. Too slow. Tried regex with Select-String . Still timing out.

The problem: parse a 50,000-line firewall log ( log.txt ) and extract all unique IP addresses that attempted connection to port 445 (SMB) more than 3 times between 2:00 AM and 4:00 AM. Output: sorted IPs with counts. powershell 3 cmdlets hackerrank solution

Then she remembered — PowerShell 3 introduced and much faster Group-Object handling. She had tried loops

Her final, working solution: