Citadel

Passed initial online test. The Director of Engineering asked if I am interested. HR asked me for dates to set up the interview. After providing the dates, I was rejected one day later with a generic reply: "You did well on the interview but..."

The interviewees do not particularly care about you and will make comments making fun of you if you miss something. The interviews are very fact-based rather than problem-solving based.

Given the start and end days of availability for different customers, find the maximum number of customers the seller can meet with, at most one customer per day. For example: start days = [1, 10, 11] end days = [11, 10, 11] The answer is 3. Expla