Citadel

I was scheduled for two rounds of online live coding sessions. The problems were average, and I solved both within the given time. The interviewers' response was generally positive, though one interviewer was more supportive than the other. I was

First time talking to the manager (or the team leader). A simple question: A number from 1..N is missing, and another number from 1..N is duplicated. Find the missing number. Provide as many solutions as possible.

First round interview. Interviewer was friendly. The interview mostly focused on financial domain questions, data structures, bits and bytes, multithreading, and general C++ language fundamentals. No algorithm questions were asked. The interview