252. Meeting Rooms
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import java.util.Arrays /** * 252. Meeting Rooms * (Locked by Leetcode) * https://www.lintcode.com/problem/meeting-rooms/description * 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. * */ class Interval(start: Int, end: Int) { var start = 0 var end = 0 init { this.start = start this.end = end } } class Solution { fun canAttendMeetings(intervals: List<Interval>?): Boolean { if (intervals == null) { return false } val size = intervals.size val starts = IntArray(size) val ends = IntArray(size) for (i in 0 until size) { starts[i] = intervals[i].start ends[i] = intervals[i].end } Arrays.sort(starts) Arrays.sort(ends) for (i in 1 until size) { if (ends[i - 1] > starts[i]) { return false } } return true } }
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Leetcode 252, 253. Meeting Rooms