Online Assessment

HackerRank OA, Two Coding Problems in 75 Minutes

CitadelSoftware Engineer · Online Assessment · Dec 2025

I did this OA on the HackerRank platform. Two questions, 75 minutes. Q2: You're given n employees' office hours as intervals [startTime[i], endTime[i]]. You need to build a team that includes at least one "core employee" whose working hours overlap with every other member's working hours. Find the maximum number of employees the team can include. For example: Input: startTime = [2, 5, 6, 8], endT…

Shared by a candidate · reported Dec 2025. Interview formats change; use it as a guide, not a script.