Given an array of meeting time intervals consisting of start and end times [[s1,e1],[s2,e2],...]
(si < ei), determine if a person could attend all meetings.
Example 1:
Input: [[0,30],[5,10],[15,20]]
Output: false
Example 2:
Input: [[7,10],[2,4]] Output: true
NOTE: input types have been changed on April 15, 2019. Please reset to default code definition to get new method signature.