#include "leetcode.h" /* * you are given an array of 'events' where 'events[i] = [startday_i, * endday_i]'. every event 'i' starts at 'startday_i' and ends at 'endday_i'. * you can attend an event 'i' at any day 'd' where 'starttime_i <= d <= * endtime_i'. you can only attend one event at any time 'd'. return the maximum * number of events you can attend. */