Meeting Rooms
给一个数组, 里面是intervals, 问是不是有重叠的. 直接sort下就好.
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class Solution { public boolean canAttendMeetings(int[][] intervals) { Arrays.sort(intervals, (a,b) -> a[0] - b[0]); for(int i = 1; i < intervals.length; i++) { if(intervals[i][0] < intervals[i-1][1]) return false; } return true; } } |