Your Dashboard
Interview Coaching
Learn
System Design
ML System Design
Code
Behavioral
Salary Negotiation
Interview Guides
Search
⌘K
Get Premium
Leetcode 1604. Alert Using Same Key-Card Three or More Times in a One Hour Period
Given name/time pairs, find all workers who used their keycard three or more times within any 60-minute window by grouping times per name, converting HH:MM to minutes and checking sorted timestamps for such a window, and return the unique names sorted alphabetically.
Question Timeline
See when this question was last asked and where, including any notes left by other candidates.
All Regions
Comments
Hello Interview Premium
Your account is free and you can post anonymously if you choose.