摘要：
You are given N ranges of date offsets when N employees are present in an organization. Something like1-4 (i.e. employee will come on 1st, 2nd, 3rd and 4th day )2-68-9..1-14You have to organize an event on minimum number of days such that each employee can attend the event at least twice.Q:你有N个员工的作息 阅读全文
