题目描述

blablabla

样例

class Solution {
public:
    bool canAttendMeetings(vector<Interval>& intervals) {
        sort(intervals.begin(), intervals.end(), [](Interval a, Interval b){return a.start < b.start;});

        for (int i = 1; i < intervals.size(); i++){
            if (intervals[i].start < intervals[i-1].end){
                return false;
            }

        }

        return true;
    }
};