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/** * Definition of Interval: * public class Interval { * public int start, end; * public Interval(int start, int end) { * this.start = start; * this.end = end; * } * } */ class Solution { public boolean canAttendMeetings(List<Interval> intervals) { Collections.sort(intervals, (a, b) -> Integer.compare(a.start, b.start)); int n = intervals.size(); for(int i=1; i<n; i++) { // check if current overlaps with previous one Interval cur = intervals.get(i); Interval prev = intervals.get(i-1); if(cur.start < prev.end) { return false; } } return true; } }
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