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252-Meeting-Rooms.java
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252-Meeting-Rooms.java
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/**
* Definition of Interval:
* public class Interval {
* int start, end;
* Interval(int start, int end) {
* this.start = start;
* this.end = end;
* }
* }
*/
public class Solution {
/**
* @param intervals: an array of meeting time intervals
* @return: if a person could attend all meetings
*/
public boolean canAttendMeetings(List<Interval> intervals) {
int length = intervals.size();
if (intervals.size() == 0 || length == 1) return true;
// Write your code here
int[] start = new int[length];
int[] end = new int[length];
for (int i = 0; i < length; i++) {
start[i] = intervals.get(i).start;
end[i] = intervals.get(i).end;
}
Arrays.sort(start);
Arrays.sort(end);
int j = 0;
while (j + 1 < length) {
if (end[j] > start[j + 1]) return false;
j++;
}
return true;
}
}