Given an array of meeting time intervals where intervals[i] = [start, end], determine if a person could attend all meetings.
Examples
Input: intervals = [[0,30],[5,10],[15,20]] Output: false
Input: intervals = [[7,10],[2,4]] Output: true
Constraints
- 0 <= intervals.length <= 10,000
- intervals[i].length == 2
- 0 <= start < end <= 1,000,000