FastPrep
Problem · Array

Meeting Rooms II

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Problem statement

Given an array of meeting time intervals intervals, where intervals[i] = [start_i, end_i], return the minimum number of conference rooms required.

Function

minMeetingRooms(intervals: int[][]) → int

Examples

Example 1

intervals = [[0,30],[5,10],[15,20]]return = 2

Example 2

intervals = [[7,10],[2,4]]return = 1

Constraints

  • 1 <= intervals.length <= 10^4
  • 0 <= start_i < end_i <= 10^6

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public int minMeetingRooms(int[][] intervals) {
  // write your code here
}
intervals[[0,30],[5,10],[15,20]]
expected2
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